9970
Rich, Linvil Gene,
1291-
Low-maintenance, mechanically simple wastewater treatment systems
New York
McGraw-Hill
C1980
viii, 211p., ill
McGraw-Hill series in water sesources and environmental engineering
Includes bibliographical references and index
]by[ Linvil G. Rich
Purification ، Sewage
TD
745
.
R52
AU
TI
CO Federation of European chemical Societies
CO Polskie Towarzy- stwo chemicznej
SE
CL
