TY - JOUR AU - M Fairhead AU - D. Heddle BT - Journal of Physics E: Scientific Instruments DA - Jan-02-1971 DO - 10.1088/0022-3735/4/2/004 PY - 1971 SP - 89 EP - 92 T2 - Journal of Physics E: Scientific Instruments TI - The absolute intensity calibration of photographic emulsions in the vacuum ultraviolet UR - http://stacks.iop.org/0022-3735/4/i=2/a=004?key=crossref.9cad90eb73989f93649f22a2a63d5bdb VL - 4 SN - 0022-3735 ER -