000 00286nam a2200109Ia 4500
008 130521s9999 xx 000 0 und d
020 _a397312644
100 _a"Hellman, Harold"
245 _aPopulation /
260 _aPhiladelphia :
650 _aPOPULATION - JUVENILE LITERATURE;POPULATION
999 _c9565
_d9565