Ananthakrishnan, T.N.. Bioresources ecology / T.N. Ananthakrishnan. - 3rd ed / . - New Delhi : Oxford and IBH Publishing , 1990. - xii,226p. : Ills. ; 23cm. . NULL ISBN: 8120401301 NULL Subjects--Index Terms: BIOLOGICAL DIVERSITY BIOLOGICAL DIVERSITY CONSERVATION Dewey Class. No.: 333.95 / ANA/B