000 00524nam-a2200169-a-4500
005 20220519095018.0
020 _a0835213471 0835217639 (rustica)
035 _aCUI01000005860
050 _aZ674.5U5/W36
100 _aWarnken, Kelly
245 _aThe information brokers : howto start and operate your own fee-based service / by Kelly Warnken
260 _aNew York :
_bBowker,
_c1981
300 _a154 p.
440 _aInformation management series ; 2
500 _aMonografía
653 _aServicios de Información - E.U
999 _c5309
_d5309