TY  - BOOK
AU  - Culp, Russell L.,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0-442-21780-3
SN  - 2
PY  - 1971///;[1971]46
CY  - New York :;New York
PB  - Van Nostrand Reinhold,;Van Nostrand Reinhold
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Purification
KW  - Sewage
KW  - sears0
N1  - Includes bibliographies; 5
ER  -