00421nam a2200133Ia 4500008004100000082003800041100002200079245007000101260004200171300001000213600002000223600002000243650002400263140113s9999 xx 000 0 und d a"575.9:519.2""1972.9""(082.2) L3" a"Bartlett, M. S." aThe mathematical theory of the dynamics of biological populations b"New York : Academic Press Inc, 1973" a347p. a"Hiorns, R. W." a"Hiorns, R. W." aBiology-mathematics