000			00284nam a2200133Ia 4500
100			_aHill, L. A
020			_a0 19 432537 7
250			_a2nd deition
942			_cBK
245			_aAn elementary refresher course
260			_aOUP, London _c1976
082			_a425 Hil
300			_a124
999			_c21799 _d21799