TY  - BOOK
AU  - Mara,D.D.
AU  - Peareson,H.W.
TI  - Design manual for waste stabilization ponds in Mediterranean Europe / 
U1  - 628.4094 
PY  - 1985///
CY  - London
PB  - WHO, 
KW  - Engineering
KW  - Wastes
KW  - waste treatment
KW  - Ponds
KW  - Design
N1  - Includes Annexes.- thid book is of two drafts
ER  -