00361nam a2200145Ia 4500008004100000082001400041100001600055245002400071260004700095300000800142650001800150650001800168653001200186700001700198170901s1992    xx            000 0 und d  a574bV50B  aVerma, P.S. 0aTextbook of Biology  aNew DelhibS. Chand and Company Ltd.c1992  a700  aLife sciences  aPure Sciences  aBiology  aPandey, B.P.