TY - RPRT TI - Accelerated aging of commercial papers in dry air, compared with natural aging AU - Parks, E J AU - Hebert, R L AU - Feasenmyer, Catherine PY - 1973 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 73-155 DO - 10.6028/NBS.IR.73-155 ER -