一般注記"USDI cooperative agreement no. 14-16-0009-1528/2."
Distributed to depository libraries in microfiche
"July 1989."
Physical description for original version: xi, 59 p. : 28 cm
書誌注記Includes bibliographical references (p. 53-59)
原資料等に関する注記原資料の出版事項: Washington, DC : The Service : Office of Research and Development, U.S. Environmental Protection Agency, [1989]
SUPTDOC番号: I 49.89/2: 80 (40.27)
GPO管理番号: 611-R-1 (MF)