"simmons, i g. "
the ecology of natural resources: / i.g. simmons - 1 ed. - uk : edward arnold 1974. - ", 424p.; 24 cm."
includes bibliography
0 7131 5734 8
--
333. 7 sim
the ecology of natural resources: / i.g. simmons - 1 ed. - uk : edward arnold 1974. - ", 424p.; 24 cm."
includes bibliography
0 7131 5734 8
--
333. 7 sim