TY  - BOOK
ED  - Symposium on Trade Wastes (9th : 1957 : Edgbaston)
ED  - 
TI  - Trade wastes: proceedings
U1  - 628.54 
PY  - 1957///?
CY  - Birmingham
PB  - Institute of Sewage Purification
KW  - Industrial wastes
ER  -