00309nam a2200109Ia 450000500170000000800410001708200120005810000190007024500540008926000480014330000080019120260225051000.0260224s9999||||xx |||||||||||||| ||und||  a583 MAH  aP. Maheshwari  3aAn introduction to the embryology of angiosperms   aSingapore: McGraw-Hill Int. Book Co. c1950  a453