000 00267nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aBeth, Thomas
245 0 _aDesign theory
_cThomas Beth
260 _aCambridge
_bCambridge University Press
_c1999
942 _aIMAR
_cCART
999 _c32989
_d32989