TY - RPRT TI - Preliminary report on the thermodynamic properties of selected light-element and some related compounds: the previous reports in this series have the NBS Report nos. 6297, 6484, 6645, 6928, 7093, 7192, 7437, 7587, 7796, 8033, 8186, 8504, 8628, 8919, 9028, and 9389 PY - 1967 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 9500 DO - 10.6028/NBS.RPT.9500 ER -