00461nam a2200157 a 450000500170000008200180001710000200003524500330005526000330008830000290012163000230015096400250017399700180019899900170021695200700023320251203091012.0  a581.5248bHAR  aHarper, John L.  aPopulation biology of plants  aLondonbAcademic Pressc1979  axxvi, 892 p.b22 cm.cHB  aPopulation biology  bEngc100de010fg_  a44973 LIBSC C  c26381d26381  00104070aPUbPUd1998-04-08g91.00l0o581.5248 HARp44973yBK