000			002900000a22001210004500
245			_aA guide to selected computer-based information services
100			_aFiner, Ruth, Comp.
260			_aLondon _bAslib _c1972
300			_a115 p.
080			_a002.6 _bF5
041			_aEN
942			_cBK
999			_c105488 _d105488