Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Sapko, M. J.

Optical rock dust meter field evaluation / by M.J. Sapko, N. Greninger, and H. Perlee. - Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1991. - 10 p. : ill. ; 28 cm. - Report of investigations ; 9385 . - Report of investigations (United States. Bureau of Mines) ; 9385. .

Includes bibliographical references.

LCCN: 90022807

Subjects--Topical Terms:
Mine dusts--Measurement.
Optical instruments.
Reflectometer.

LC Class. No.: TN23 TN312 / .U43 no. 9385

Dewey Class. No.: 622 s 622/.83

Gov. Doc. Class. No.: I 28.23:9385