000 00458nam a2200145 a 4500
001 sulb13204
008 130516s1997 bg a b 001 0 eng
040 _aBD-SySUS
_cBD-SySUS
082 _a025
_222
100 1 _aSingh, Sewa
245 0 0 _aHand book of Reference and information services /
_cSewa Singh.
260 _aNew Delhi :
_bCrest publishing house,
_c1997.
300 _a351p. :
_bill. ;
_c25 cm.
504 _aincludes bibliographical referecne and index.
999 _c19437
_d19437