000 00274nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a608
_bKIV
100 _aKivenson, Gilbert
245 0 _aArt and science of inventing
260 _aLondon
_bVan Nostrand
_c1977
942 _cBK
999 _c28087
_d28087