000			00391nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a0 521 46502 8
041			_aen
082			_a577.857
100			_aGRENFELL, B T.
245		0	_aEcology of Infectious Diseares in Natural Populations.
260			_aCambridge. _bCambridge University Press. _c1995
300			_axii, 521p.
942			_cPR
999			_c52290 _d52290