000 00289nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aInformation Services and use
260 _aElsevier Science Publishers B.V.
_bAmsterdam
_c1 Jan-31 Dec,1997
362 _a17-17
_b01-Apr
942 _2ddc
_cJ
999 _c187526
_d187526