000 00260nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aHill, F.
245 0 _aChallenge to Science
260 _aNew York
_bMcGraw Hill Books
_c1975
300 _a492p.
942 _2ddc
999 _c9431
_d9431