References
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- First , M. W. and Silverman , L. 1953 . Air Sampling with Membrane Filters. . AMA Arch. Ind. Hyg. & Occup. Med. , 7 Jan. : 1
- Dhinxeb , P. and Hatch , T. 1954 . Industrial Dust. , 2nd Ed. , 131 New York, New York : McGraw-Hill Book Co. .
- Pahlus , H. J. , Talvitie , N. A. , Fbaseh , D. A. and Keenan , E. G. 1957 . Use of Membrane Filters in Air Sampling. . Am. Ind. Hyg. Assoc. Quart. , 18 Sept. : 267
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- Chamot , E. M. and Mason , C. W. 1958 . Handbook of Chemical Microscopy. , 3rd Ed. , 89 New York, New York : John Wiley & Sons, Inc. .