000			00320nam a2200133Ia 4500
008			140314s9999 xx 000 0 eng d
082			_a2/2/242
100			_aDoets . H.C. _916965
245			_aSets: naïve, axiomatic and applied \
245			_cDoets . H.C.
260			_c1989 .
300			_a148p.
942			_2ddc _cBK
999			_c41815 _d41815