00317nam a2200109Ia 450000500170000000800410001708200160005810000160007424500610009026000480015130000080019920260224040814.0260224s9999||||xx |||||||||||||| ||und||  a636.084 WAT  aWatson, A.  0aAnimal populations in relation to their food resources:   aEdinburg: Oxford Blackwell Scientificc1970  a477