TY - RPRT TI - Standard Reference Materials Enthalpy and heat capacity standard reference material AU - Ditmars, D A AU - Douglas, T B AU - Cezariliyan, A AU - Ishihara, S PY - 1977 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-55 DO - 10.6028/NBS.SP.260-55 ER -