一般注記"Generic Technology Center for Respirable Dust, The Pennsylvania State University, Department of Mineral Engineering."
Distributed to depository libraries in microfiche
Shipping list no.: 94-0012-M
"Published March 1987."
Physical description for original version: 285 p. : 28 cm
書誌注記Includes bibliographical references (p. 122-135)
原資料等に関する注記原資料の出版事項: Washington, DC : Bureau of Mines, U.S. Dept. of the Interior, [1987]
SUPTDOC番号: I 28.155: 6-90
GPO管理番号: 0637-A-01 (MF)