000 00309nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a5/6 L4
100 _aAnonymous
245 _aJournal of Franklin Institute (Special issue)
260 _a1975
_bPergaman Press
_cNew York
300 _a89-167
942 _cBK
999 _c59625
_d59625