000 00444nam a2200145Ia 4500
008 170101s1965 xx 000 0 und d
082 _a301.320 7 H58T
100 _aHERTZBERG, Hazel W
245 0 _aTeaching population dynamics: an instructional unit for secondary School Students
260 _bNew York
_c1965
300 _a91p
650 _aPOPULATION -- STUDY AND TEACHING
653 _aPOPULATION -- STUDY AND TEACHING
942 _2ddc
_cB
999 _c90601
_d90601