TY - RPRT TI - Reflecting curved-crystal X-ray spectrograph; a device for the analysis of small mineral samples AU - I. Adler AU - J. M. Axelrod PY - 1957 DO - 10.2113/gsecongeo.52.6.694 UR - https://pubs.usgs.gov/publication/70216345 ID - 70216345 ER -