TY - RPRT TI - Performance of plastic packaging for hazardous materials transportation : part IV. Standardizing permeation measurements AU - Barnes, J D AU - Martin, G M AU - McCrackin, F L PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1768 DO - 10.6028/NBS.IR.79-1768 ER -