000 00412nam a2200133Ia 4500
245 _aEcological development in polar regions
_ba study in evolution
_cM. J. Dunbar
260 _aNew Jersey
_bPrentice-Hall
_c1968
300 _aviii, 119p.:ill.
082 _a574.50998
_bD899E
690 _aEcology-Polar regions
490 _aConcepts of modern biology series
500 _aIncludes index
100 _aDunbar, M. J.
_d
999 _c18770
_d18770