TY - RPRT TI - Fabricating HD-2 (Fe) type gas proportional counters : a practical guide to techniques, procedures, and operation AU - Klouda, George A. AU - Anderson, Jeffrey R. AU - Fuller, John E. PY - 2013 PB - National Institute of Standards and Technology SN - NIST IR 7936 DO - 10.6028/NIST.IR.7936 ER -