00610nam a2200181 a 450000100060000000300080000600500170001400800410003103500190007204000260009104100080011708200240012510000300014924501520017926000450033130000240037665000280040072888BD-RjUL20211209082324.0170524s1970    ia ||||| |||| 00| 0 eng d  a(BD-RjUL)73106  aBD-RjULbengcBD-RjUL  aeng  223a519.5bHAS 19701 aHaykal, Abd-el-Aziz Fahmy  aStudies in statistics :b1 - Some remarks about family living studies, 2 - Mortality trends during the period 1900-1950 /cAbd-el-Aziz Fahmy Haykal  aBeirut :bBeirut Arab University,c1970.  a[6] 47 p. ;c25 cm.  aMathematical statistics