000 00650nam a22001697a 4500
008 230223b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 002(05)
245 _aTheory and practice of abstracting developments in classification technique of teaching documentation
_c/Documentation research and training centre
260 _aBangalore:
_bDocumentation research and training centre,
_c1968
300 _a760p.
500 _aV 2: Proceedings and index
650 _2Practice abstracting
653 _aClassification technique
653 _aTeaching documentation
942 _2udc
_cPR
999 _c3375
_d3375