@article{doi:10.1001/jama.1939.02800070026006,
author = {SWEANY HC and KLAAS R},
title = {X-ray diffraction analysis as applied in pneumoconiosis},
journal = {Journal of the American Medical Association},
volume = {112},
number = {7},
pages = {610-614},
year = {1939},
doi = {10.1001/jama.1939.02800070026006},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800070026006},
eprint = {/data/Journals/JAMA/7154/jama_112_7_006.pdf}
}