TY - RPRT TI - Circular of the Bureau of Standards no. 500: selected values of chemical thermodynamic properties AU - Rossini, Frederick D AU - Wagman, Donald D AU - Evans, William H AU - Levine, Samuel AU - Jaffe, Irving PY - 1952 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 500 DO - 10.6028/NBS.CIRC.500 ER -