TY - RPRT TI - Investigation of a 1-ton tank-car tank that leaked phosgene in Easton, Pennsylvania on April 24, 1973 AU - Interrante, C G PY - 1975 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 75-704 DO - 10.6028/NBS.IR.75-704 ER -