LEADER 00000nam 2200313 a 4500 001 0323555 003 UkHlHU 007 t 008 001906 1 1974 000 eng 040 UkHlHU 050 4 QL 692 S6 100 0 Smeenk, Christiaan. 245 00 Comparative-ecological studies of some East African birds of prey. 260 Worgeningen :|bPorrsen & Looijen,|c1974. 300 97p. 650 0 Birds|xOrnithology. 650 0 Animal behavior. 650 0 Animal behavior. 710 2 Vrije Universiteit te Amsterdam theses. 946 020 absent -- ISBN check required 946 650 |a & |x subfields only. In at least one case all subfields comprise single words only -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
|