00442nam a2200157 a 450000500170000008200200001710000180003724500480005526000300010330000170013369000110015096400250016199700180018699900150020495200650021920251203090506.0  a581.09,bD, lov  aLoveless, AR.  aPrinciples of plant biology for the tropics  aLoNew DelhionbELBSc1986  a532p, 22 cm.  aBotany  bEngc100de010fg_  a19317 LIBSC C  c9521d9521  00104070aPUbPUd1998-04-08l0o581.09, D, lovp19317yBK