一般注記Distributed to depository libraries in microfiche
No longer available for sale by the Supt. of Docs
"October 1987."
Physical description for original version: 61 p. : 28 cm
書誌注記Includes bibliographical references (p. 19-61)
原資料等に関する注記原資料の出版事項: Cincinnati, Ohio : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, Division of Safety Research, [1988]
SUPTDOC番号: HE 20.7102: V 41
GPO管理番号: 499-F-2 (MF)