000 00452nam a22001697a 4500
008 161115b xxu||||| |||| 00| 0 eng d
020 _a0706906373
100 _aKumar, Krishan
245 _aReference service
260 _aNew Delhi
_bVikas Publishing House
_c1978
300 _avii, 404p.; 22cm.
500 _aIncludes index
650 _aLibrary science
650 _aReference service
650 _aReference sources
942 _2udc
_cBK
999 _c29868
_d29868