000			00270nam a2200121Ia 4500
100			_aAnderson, R. G.
020			_a7121-0281-7
942			_cBK
654			_a
245			_aBusiness systems
260			_aLondon _bThe English Language Book Society _c1977
082			_a658
999			_c395687 _d395687
041			_aeng