000 00521nam a22001697a 4500
008 230313b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.5
_bN7
100 1 _aSingh, Sewa
_91228
245 _aInternational manual of reference & information sources
260 _aNew Delhi:
_bBeacon Books,
_c1997
300 _aix, 501p.
650 _aInternational manual
653 _aReference manual
653 _aInformation sources
942 _2udc
_cBK
999 _c7749
_d7749