000			00486nam a22001577a 4500
008			230214b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aD 002 _bL8;m3.5
100			_aGuha, B
245			_aDocumentation and Information: _bServices, techniques and systems
260			_aCalcutta: _bThe World Press Private Limited, _c1983
300			_axiv, 380p.
650			_aScience
653			_aTechnical writing
942			_2udc _cBK
999			_c1337 _d1337