00433nam a2200157 a 450000500170000008200130001710000230003024500380005326000340009130000220012569000120014796400250015999700180018499900150020295200580021720251203090505.0  a577bEML  aEmlen, J., Merritt  aEcology: an evolutionary approach  aReadingbAddison-Wesleyc1973  axvi, 494p, 22 cm.  aEcology  bENGc100de010fg_  a13916 LIBSC C  c9446d9446  00104070aPUbPUd1998-04-08l0o577 EMLp13916yBK