Author: | Roller, Paul Salmon, |
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Year: | 1931 |
Document Type: | USBM |
Issuing Agency: | U.S.Bureau of Mines, |
SUDOC: | C 22.5:490 |
Series: | Technical paper / United States. Bureau of Mines ; |
Report Number: | 490 |
Subject: | Microscopy--Technique |
Link: | https://hdl.handle.net/2027/mdp.39015077559592 |