TY  - GEN
AU  - Treybal Robert Ewald
TI  - Mass-transfer operations 
T2  - McGraw-Hill chemical engineering series
AV  - TP156.M3  
U1  - 660 
PY  - 1967///, c1968]
CY  - New York
PB  - McGraw-Hill 
KW  - Chemical engineering
KW  - Mass transfer
N1  - Includes bibliographies
ER  -