一般注記Distributed to depository libraries in microfiche
Shipping list no.: 93-0638-M
"February 1992."
"EPA 822/R-92-001"--Cover
"EPA contract no. 68-C9-0013."
Physical description for original version: viii, 55 p. ; 28 cm
書誌注記Includes bibliographical references (p. 37-47)
原資料等に関する注記原資料の出版事項: Washington, DC : U.S. Environmental Protection Agency, Office of Water, [1992]
SUPTDOC番号: EP 2.2: F 52
テクニカルリポート番号: EPA 822/R-92-001
GPO管理番号: 0473-A-01 (MF)