00280nam a2200121 a 450000500170000002000150001708200200003210000060005211000160005824500300007426000340010430000200013820251203091648.0  a3540127399  a582.130433bEMB  d_  aJohri, B.M.  aEmbryology of angiosperms  aBerlinbSpringer-Verlagc1984  axxvi,830p, 22cm