000			00387nam a2200133 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a591.1823 _bWAT
245			_aWatchers, pursuers and masqueraders animals and their vision
260			_aLondon : _bMcgraw hill book company,
300			_a160p.; _c21cm
650		0	_aNatural sciences and mathematics
942			_2ddc _cLM
999			_c103536 _d103536