000			00371nam a2200121 4500
008			250715b |||||||| |||| 00| 0 eng d
100			_aLal, Chhotey and others _943457
245			_aInformation sources in science & technology
260			_aDelhi _bBharati publications _c1986
300			_a307p. _bHardbound _c8" X 5"
650			_aLibrary science _943458
942			_2ddc
999			_c295203 _d295203