一般注記Cover title
"Conference ... met in Bonn from 19 March to 11 April 1990"--P. 1
Distributed to some depository libraries in microfiche
Shipping list no.: 90-555-P
"April 1990."
Physical description for original version: 30 p. ; 21 cm
原資料等に関する注記原資料の出版事項: Washington, DC : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., [1990]
SUPTDOC番号: Y 4.Se 2: B 64
GPO管理番号: 1089-C, 1089-D (MF)