000			02335nam a22002777a 4500
008			110105t xxu||||| |||| 00| 0 eng d
020			_a0946183740
082			_a607.104
100			_aLever, Colin _913100
245			_aDiscovering technology: _bbook 1.
260			_aLondon: _bCauseway Press Ltd, _c1992.
300			_a96p. _bill. some col.
942			_2ddc _cBK
999			_c7149 _d7149