000 00311nam a2200121Ia 4500
008 220107s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aToulmin, S
245 0 _aHuman understanding
260 _bOxford
_aCalrendon Press
_c1972
300 _a519p p.
942 _c1
999 _c176333
_d176333