=LDR            22        4500
=001  1464
=082  04$a577 RIC
=100  1\$aRicklefs, Robert E.
=245  10$aThe Economy of Nature: a textbook in basic ecology
=260  \\$aPortland, Oregon :$bChiron Press,$c1976
=650  \0$aBooks
=852  \\$bGeography Basement$h577 RIC