000			00307nam a2200133Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a591.52
100			_aALDLEY,D.J
245		0	_aAnimal migration
260			_aCambridge. _bCambridge Uni. Press. _c1981
300			_a264p.
942			_cPR
999			_c42556 _d42556