TY - GEN AU - Keller,George E. TI - Separations, new directions for an old field T2 - AIChE monograph series SN - 0816904200 (pbk.) AV - TP156.S45 U1 - 660.2/842 PY - 1987/// CY - New York, N.Y. PB - American Institute of Chemical Engineers KW - Separation Technology N1 - Bibliography: p. 47-52 ER -