Schutz, R. H.; Ferber, B. I.; Kloos, E. J.
view article (9.9981365)
Respiratory Protective Devices Approved by the Bureau of Mines as of October 1, 1965.
Bureau of Mines, Pittsburgh, PA
IC 8281,
1966,
25 p.
Kloos, E. J.; Raymond, L. D.; Spinetti, L.
view article (9.992496)
Performance of Open-Circuit Self-Contained Breathing Apparatus at -25 deg F.
Bureau of Mines, Pittsburgh, PA
RI 7077,
February 1968,
19 p.
Kloos, E. J.; Pearce, S. J.
view article (9.986072)
Respiratory Protective Devices Approved by the Bureau of Mines as of October 16, 1958.
Bureau of Mines, Pittsburgh, PA
IC 7885,
1959,
27 p.