TY  - BOOK
AU  - Walker, William H...[et.al]
TI  - Principle of Chemical Engineering 
T2  - Chemical Engineering Series
U1  - 543 21st ed
PY  - 1937///
CY  - London
PB  - Mcgraw-Hill Book Company
KW  - Chemical engineering
KW  - Gas Producers
KW  - Air conditioning
KW  - Flow of fluids
ER  -