Ecology & field biology /
Robert S. L.
Ecology & field biology / Robert Leo Smith, Thomas M. Smith ; illustrated by Robert Leo Smith, Jr. - 6th. - San Francisco : Benjamin Cummings, 2001. - xviii, 771, 18, 31, 4, 19 p. : ill. ; 28 cm.
Includes bibliographical references and index.
0321042905
Ecology.
Biology--Fieldwork.
DUCE QH541.S6 / 2001
Ecology & field biology / Robert Leo Smith, Thomas M. Smith ; illustrated by Robert Leo Smith, Jr. - 6th. - San Francisco : Benjamin Cummings, 2001. - xviii, 771, 18, 31, 4, 19 p. : ill. ; 28 cm.
Includes bibliographical references and index.
0321042905
Ecology.
Biology--Fieldwork.
DUCE QH541.S6 / 2001