TY - RPRT TI - Elastomeric seals and materials at cryogenic temperatures AU - Weitzel, D H AU - Robbins, R F AU - Herring, R N PY - 1961 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 6749 DO - 10.6028/NBS.RPT.6749 ER -