000			00332nam a22001217a 4500
008			171130b xxu||||| |||| 00| 0 spa d
020			_a0-03-012175-2
100			_92907 _aOdum, Eugene P.
245			_aEcology
260			_aUnited States of America _b Holt, Rinehart and Winston, Inc. _c, 1963
300			_a152 p.
942			_2ddc _cLIBRO
999			_c2188 _d2188