TY - BOOK AU - Odum,Eugene P. TI - Ecology and our endangered life-support systems SN - 0878936351 : AV - QH541 .O293 1989 U1 - 574.5 19 PY - 1989/// CY - Sunderland, Mass. PB - Sinauer Associates KW - Ecology N1 - Includes bibliographies and index ER -