00505nam a22001571 4500 1/15303 991112s1988 gre gr d 15797 GR-PeUP 574.5 OD Odum, Eugene Pleasants, 1913- Ecology and our endangered life-support systems / Eugene P. Odum Massachusetts : Sinauer Associates , 1989 283 p. ; 21 cm. Ecology. INST UNIPILB MAIN 20040709 574.5 OD 00131739 00131739 LOAN 0 1