TY - RPRT TI - A study to determine the existence of an Azeotropic R-22 'Drop-In' substitute AU - Kim, Min Soo AU - Morrison, Graham AU - Mulroy, William J AU - Didion, David A PY - 1996 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 5784 DO - 10.6028/NIST.IR.5784 ER -