00608nam2 22002171i 450 990002263900403321000226390FED01000226390(Aleph)000226390FED0100022639020030801d--------km-y0itay50------baEvolution and the ecosystem. Amsterdam,1992, p. 9-19.001000222889Pianka,Eric R.94046ITUNINARICAUNIMARCBK990002263900403321FFABCEvolution and the ecosystem. Amsterdam,1992, p. 9-19400114UNINAING01