000 00259nam a22001097a 4500
050 _aMED HG8781
_b.G4 1961
100 _aGERSHENSON,H
245 _aMeasurement of mortality
260 _aChicago,
_bSociety of Actuaries:
_c1961.
300 _a340p.;
942 _cBK
999 _c16145
_d16145