TY  - BOOK
AU  - Key, Arthur
TI  - Gas works effluents and ammonia
U1  - 665.7 KEY 
PY  - 1938///
CY  - London
PB  - Institution of Gas Engineers
KW  - Gas industry – by-products
KW  - Industrial effluents
KW  - Ammonia recovery from gas works
N1  - Includes index; Includes bibliographical references
ER  -