000 00296nam a2200109Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aLewis, H D
245 0 _aClarity is not enough
260 _bGeorge Allen and Unwin
_aLondon
_c1969
942 _c1
999 _c151933
_d151933