00385nam a2200145Ia 4500008004100000082001700041100002200058245004900080250000600129260004700135300000800182650002000190650001400210653001500224170901s1970    xx            000 0 und d  a301.32bH45R  aHazen, William E. 0aReadings in Population and Community Ecology  a2  aPhiladelphiabW. B. Saunders Companyc1970  a421  aSocial sciences  aSociology  aPopulation