TY - GEN AU - Törber, Gunnar, CN - K840 ID - 1381978 KW - Contracts. KW - International law. KW - International obligations. LK - https://univsouthin.idm.oclc.org/login?url=https://ebookcentral.proquest.com/lib/usiricelib-ebooks/detail.action?docID=2073329 SN - 9781509901432 (e-book) T1 - The contractual nature of the optional clause / TI - The contractual nature of the optional clause / UR - https://univsouthin.idm.oclc.org/login?url=https://ebookcentral.proquest.com/lib/usiricelib-ebooks/detail.action?docID=2073329 ER -