LEADER 00931nam0-22002771i-450- 001 990001637910403321 005 20050401091603.0 035 $a000163791 035 $aFED01000163791 035 $a(Aleph)000163791FED01 035 $a000163791 100 $a20030910d1963----km-y0itay50------ba 101 0 $aeng 200 1 $aBiosystematics of sibling species of flycatchers in the empidonax hammondii- oberholseri-wrightii complex$fNed K. Johnson 210 $aBerkeley and Los Angeles$cUniversity of California press$d1963 215 $a236 p., 8 tav.$d26 cm 610 0 $aZoologia 676 $a591 700 1$aJohnson,$bNed K.$070192 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001637910403321 952 $a60 591 B 16$b39245$fFAGBC 959 $aFAGBC 996 $aBiosystematics of sibling species of flycatchers in the empidonax hammondii- oberholseri-wrightii complex$9367701 997 $aUNINA