edited by David Freestone, Ton Ijlstra

Graham & Trotman/Martinus Nijhoff [20--?]

所蔵館1館

edited by David Freestone and Ton IJlstra

Graham & Trotman/M. Nijhoff , Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers 1991 Basic legal documents on regional environmental cooperation v. 1

所蔵館13館

edited by David Freestone and Ton Ijlstra

Graham & Trotman Martinus Nijhoff 1990

所蔵館12館