Alexander, Martin.
Soil Microbiology / - Second Ed. / - New Delhi-2 : Wiley Eastern Ltd.. - p.467 :
0-85226-013-X
Soil Microbiology
J:1:(G91) / L7
Soil Microbiology / - Second Ed. / - New Delhi-2 : Wiley Eastern Ltd.. - p.467 :
0-85226-013-X
Soil Microbiology
J:1:(G91) / L7