TY - RPRT TI - Horizontal nucleate flow boiling heat transfer coefficient measurements and visual observations for R12, R134a, and R134aEster lubricant mixtures PY - 1993 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 5144 DO - 10.6028/NIST.IR.5144 ER -