Effect of different gases on protozoal activity and purification of sewage.
PILLAI
S C
SC
GURBAXANI
M I
MI
SUBRAHMANYAN
V
V
D000818:Animals; D005740:Gases; D006801:Humans; D007448:Invertebrates; D012722:Sewage
D005740:Gases; D012722:Sewage
SEWAGE