00310nam a2200109Ia 450000500170000000800410001708200180005810000200007624500680009626000260016430000100019020260205054804.0260111s9999||||xx |||||||||||||| ||und||  a574.076  V66O  aVikal , Subhash 0aObjective approach to biology: Embryology of plants and animals  aMeerutbArihantc2008  a400p.