000 00435nam a2200145Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a312
_bB468E
100 _aBenjamin, B
245 0 _aElements of vital statistics
_cB Benjamin
260 _aLondon
_bGeorge Allen and Unwin
_c1959
300 _a352p.
650 _aStatistics; Population-Shtatistics; Health surveys-Statistical methods
942 _cBKS
999 _c9879
_d9879