TY - RPRT TI - Preliminary report on the thermodynamic properties of selected light-element and some related compounds: supplement to NBS reports 6297, 6484, 6645, 6928, 7093, 7192, 7437, 7587, 7796, 8033, and 8186 PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 8504 DO - 10.6028/NBS.RPT.8504 ER -