000 00452nam a2200145Ia 4500
008 211231s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aVirtual reference service
245 0 _aVirtual reference service: from competencies to assessment
250 _a1st
260 _bFacet Publishing
_aNew York
_c2008
300 _axvii,206p. p.
653 _aElectronic reference services (Libraries)
942 _c1
999 _c312148
_d312148