00649cam a2200193 7i4500 0000013726 20170418090000.0 20170418150840.0 170418 enk BI NM BS 3890 1965 British Standards Institution General recommendations for the testing, calibration and processing of radiation monitoring films British Standards Institution. London: British Standards Institution, 1965. 15 p.; 21 cm.. British standards Radiation dosimetry NM 0000004770 Book Standards HQ Library