000			00284nam a2200121Ia 4500
100			_aBerg, J. M (ed)
020			_a0 416 40650 5
942			_cBK
245			_aScience and service in mental retardation
260			_aMethuen, London _c1986
082			_a616.858 Ber
300			_axix,475
999			_c16523 _d16523