000 00340nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aCox, P R
245 0 _aDemography
260 _bAT THE UNIVERSITY PRESS
_aCAMBRIDGE
_c1950
300 _aX,326 P p.
653 _aMATHEMATICS
942 _c1
999 _c38018
_d38018