TY - BOOK AU - K.V. Deepa AU - T.K. Siddarame Gowda Department of Agricultural Microbiology TI - Study on transposon (Tn-5) Mutants of cowpea Rhizobium in relation to their utilization of insolubel phosphorus sources U1 - 630 PY - 1997/// CY - Bangalore PB - University of Agricultural Sciences Bangalore ER -