00515nam a2200193 a 4500 20260717091049.0 260717s1977 ii 000 0 eng d 0060463287 eng 574.5 Smith, Robert Leo Elements of ecology and field biology / Smith, Robert Leo New York : Harper & Row, c1977. xii, 497 p. : ill. ; 25 cm. Ecology Biology -- Fieldwork Ecologie. BK 22193 22193 0 0 0 0 DC BKBCL BKBCL 1982-08-18 207.40 0 574.5 SMI 13176 2026-07-17 09:10:49 207.40 2026-07-17 BK