一般注記Distributed to depository libraries in microfiche
Shipping list no.: 93-0558-M
"April 1992."
"230-R-92-003"--Cover
Physical description for original version: xii, 90 p. ; 28 cm
書誌注記Includes bibliographical references and indexes
原資料等に関する注記原資料の出版事項: [Washington, D.C.] : U.S. Environmental Protection Agency, Office of Policy, Planning and Evaluation, Center for Environmental Statistics Development Staff, [1992]
SUPTDOC番号: EP 1.8: EN 8/14
テクニカルリポート番号: 230-R-92-003
GPO管理番号: 0431-K (MF)