一般注記"Main report"--Cover
Distributed to depository libraries in microfiche
Shipping list no.: 93-0656-M
"December 1990."
21P-2003.1"--Cover
Physical description for original version: 1 v. (various pagings) : 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Washington, D.C. (401 M St. S.W., Washington 20460) : United States Environmental Protection Agency, Office of Policy, Planning, and Evaluation, [1990]
SUPTDOC番号: EP 1.2: G 51/2/MAIN
GPO管理番号: 0431-I-01