000 00442nam a2200133Ia 4500
008 140208s9999 xx 000 0 und d
044 _aUnited Kingdom
080 _a025.43 P427I
100 _aPerreault, J.M., ed.
245 _aTowards a theory for UDC : essays aimed at structural understanding and operational improvement
_cedited by J. M. Perreault
260 _bClive Bingley
_aLondon
_c1969
300 _a241 p.; 23cm.
942 _2udc
_cGB
999 _c10165
_d10165