Clarke, George L. 1905- Elements of ecology / George L. Clarke. - New York : John Wiley & Sons, 1963. - 534 p. : il. - Contribution ... from the Woods Hole Oceanographic Institution ; 704 Contribution no. 704 from the Woods Hole Oceanographic Institution . Subjects--Topical Terms: Ecologia. Dewey Class. No.: 574.5 Número de Chamada: 574.5 / C598e