Smith, Robert Leo.
Elements of ecology / Robert Leo Smith. - 2nd ed. - New York : Harper & Row, c1986. - xxv, 677 p. : ill.
Rev. ed. of: Elements of ecology and field biology / Robert Leo Smith. c1977.
0060463279
Ecology.
Biology--Field work.
QH541 / .S624 1986
574.5�19
Elements of ecology / Robert Leo Smith. - 2nd ed. - New York : Harper & Row, c1986. - xxv, 677 p. : ill.
Rev. ed. of: Elements of ecology and field biology / Robert Leo Smith. c1977.
0060463279
Ecology.
Biology--Field work.
QH541 / .S624 1986
574.5�19