TY  - BOOK
AU  - Pentelow ,Frederick Topham Key
TI  - River purification: : a legal and scientific review of the last 100 years
U1  - 628.16 
PY  - 1953///]
CY  - London : 
PB  - Arnold , 
KW  - Water
KW  - Purification
N1  -  Includes bibliographical references
ER  -