TY - RPRT TI - Summary of research and development work done for OQMG from Oct. 1, 1951 to Oct. 1, 1952 AU - Achenbach, P R AU - Phillips, C W PY - 1952 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 2082 DO - 10.6028/NBS.RPT.2082 ER -