00319nam a22001217a 450000500170000000800410001702000150005805000190007310000130009224500340010526000350013930000230017420260316122556.0260316b        |||||||| |||| 00| 0 eng d  a0121675080  aHN.29.S68 1976  aSudan, S  aApplied sampling /c S, Sudan  aNew yorkbacademic pressc1976  ax, 249p, ;illbhbk