000 00398nam a2200121Ia 4500
008 140215s9999 xx 000 0 und d
100 _aMehrotra, P.K. .
245 _aStudies on R-Plasmids and Infectious Drug Resistance of escherichia coli strains /
_b
260 _bCollege of Veterinary and animal science ,
_aBikaner :
_c1980
300 _av, 342p :
650 _aAnimal Science
942 _2cc
_cBK
999 _c10496
_d10496