000 00501nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aHentschel J
245 _aDistinguishing between types of data and methods of collecting them
260 _c1998
_bWorld Bank
_aWashington DC
300 _bSee WB 331.22 PAY (Includes Acc. Nos. 20230, 20231, 20232 & 20233)
_a37p.
366 _b1998
541 _gGratis
650 _aSTATISTICS
942 _cBK
999 _c80933
_d80933