000 00421nmm a2200145Ia 4500
008 230201s9999||||xx |||||||||||||||||und||
020 _a9783642810466
100 _aD. Smith; Nathan Keyfitz
245 0 _aMathematical Demography
250 _a1977
260 _bSpringer Berlin Heidelberg
_c1977
440 _aBiomathematics
650 _aMathematics and Statistics
856 _uhttps://doi.org/10.1007/978-3-642-81046-6
999 _c22987
_d22987