Selected Bibliography by Article

Article 2922 Bibliography (1) A contract may be modified or terminated by the mere agreement of the parties.

(2) A contract in writing which contains a provision requiring any modification or termination by agreement to be in writing may not be otherwise modified or terminated by agreement. However, a party may be precluded by his conduct from asserting such a provision to the extent that the other party has relied on that conduct.

Author	Title	Publisher
ALPA, G. / BESSONE, M.	Inadempimento, rimedi, effetti della risoluzione nella vendita internazionale di cose mobili	AA.VV., LA VENDITA INTERNAZIONALE, ATTI CONVEGNO S. MARGHERITA LIGURE (26-28 SETT. 1980), QUADERNI GIUR. COMM. 39 (MILANO) 1981, 165-212
BYDLINSKI, F.	Das allgemeine Vertragsrecht (Symposium Bade-Wien 17/19.4.1983)	DORALT, P.(ed.), DAS UNCITRAL-KAUFRECHT IM VERGLEICH ZUM ÖSTERREICHISCHEN RECHT (WIEN, MANZ) 1985, 57-90
BYDLINSKI, F.	Der Vertragsschluß nach der Wiener UN-Kaufrechtskonvention in komparativer Betrachtung	ARCHIVIUM IURIDICUM CRACOVIENSE (BRESLAU), 1985, XVIII, 143-156
DATE-BAH S.K.	Art. 29 CISG	in: BIANCA C.M. / BONELL M.J. (eds.), Commentary on the International Sales Law, Giuffrè, Milano 1987, 240-244
FLECHTNER, H.M.,	More US Decisions on the UN Sales Convention: Scope, Parol Evidence, "Validity" and Reduction of Price Under Article 50	14 JOURNAL OF LAW AND COMMERCE 153-176 (1995)
GELDSETZER, A.,	Einvernehmliche Änderung und Aufhebung von Verträgen. Eine rechtsvergleichende Darstellung des deutschen Rechts, des amerikanischen Rechts und des Einheitsrechts (Baden-Baden), 1993
HILLMAN, R.A.,	Article 29(2) of the UN Convention on Contracts for the International Sale of Goods: A New Effort at Clarifying the Legal Effect of "No Oral Modification Clauses" (Cornell Symposium)	21 CORNELL INTERNATIONAL LAW JOURNAL 449-466 (1988)
LEVY, D.A.,	Contract Formation Under the UNIDROIT Principles of International Commercial Contracts, UCC, Restatement and CISG	30 UNIFORM COMMERCIAL CODE LAW JOURNAL, 3, 249-300 (1998)
LOOKOFSKY, J.M.,	Loose Ends and Contorts in International Sales: Problems in the Harmonization of Private Law Rules	39 AMERICAN JOURNAL OF COMPARATIVE LAW 403-416 (1991)
MAGNUS, U.	Aktuelle Fragen des UN-Kaufrechts	ZEITSCHRIFT FÜR EUROPÄISCHES PRIVATRECHT (ZEuP), 1993, 79-99
PELEGGI, R.	Parol evidence rule e ammissibilità della prova extratestuale nei contratti scritti: qualche riflessione in chiave comparatistica	Diritto del commercio internazionale, n.4/2012, pp. 1009-1046.
PERALES VISCASILLAS M.d.P.,	Modification and termination of the contract (art. 29 CISG)	in: The Journal of Law and Commerce, Vol. 25, Issue 1, 2005, pp. 167-179
POSCH, W. / KANDUT, G.,	Die allgemeinen Bestimmungen über den Warenkauf: Art. 25-29	HOYER, H. / POSCH, W. (eds.) DAS EINHEITLICHE WIENER KAUFRECHT (WIEN), 1992, 59-76
REHBINDER, E.,	Vertragsschluß nach UN-Kaufrecht im Vergleich zu EAG und BGB	SCHLECHTRIEM, P. (ed.), EINHEITLICHES KAUFRECHT UNDNATIONALES OBLIGATIONENRECHT (FACHTAGUNG FREIBURGI.BR. 16/17.2.1987) (BADEN-BADEN), 1987, 149-170
SCHLECHTRIEM P.	Art. 29 CISG	in: SCHLECHTRIEM P. / SCHWENZER I. (eds.), Kommentar zum Einheitlichen UN-Kaufrecht, 4th ed., C.H. Beck, München 2004, 347-353
SCHLECHTRIEM P.	Art. 29 CISG	in: Schlechtriem P. / Schwenzer I. (eds.), Commentary on the UN Convention on the International Sale of Goods (CISG), 2nd ed., Oxford University Press, Oxford 2005, 318-336
SCHLECHTRIEM, P.,	The Borderline of Tort and Contract - Opening a New Frontier? (Cornell Symposium)	21 CORNELL INTERNATIONAL LAW JOURNAL 467-476 (1988)
SCHWENZER I./ MOHS F.,	Old Habits Die Hard: Traditional Contract Formation in a Modern World	in Internationals Handelsrecht 6/2006, pp. 239 - 246
SONO, K.,	Formation of International Contracts under the Vienna Convention: A Shift Above the Comparative Law	SARCEVIC, P. / VOLKEN, P. (eds.), INTERNATIONAL SALE OF GOODS, DUBROVNIK LECTURES (NEW YORK - OCEANA), 1986, 111-131
STOFFEL, W.A.,	Formation du contrat (Lausanner Kolloquium 19./20.11.1984)	WIENER ÜBEREINKOMMEN VON 1980 ÜBER DEN INTERNATIONALEN WARENKAUF, SCHWEIZERISCHES INSTITUT FÜR RECHTSVERGLEICHUNG (ZÜRICH), 1985, 55-76
THIEFFRY, J.,	Les nouvelles règles de la vente internationale (Dossier/Symposium: la Convention de Vienne sur la vente internationale)	DROIT ET PRATIQUE DU COMMERCE INTERNATIONAL, 1989, 369-384
ZHANG, S.	L’internationalisation du nouveau droit chinois des contrats – exemple de la résolution du contrat de vente internationale de marchandises	Uniform Law Review / Revue de droit uniforme, 8 (2003), 219-230