000 00286nam a2200109Ia 4500
008 220603s9999 xx 000 0 und d
082 _a500.2
_bW67C
100 _aWilliams.G.A.
245 0 _aChallenges To Science Physical Science
260 _aN.Y. Mc Graw Hill
_c1979
942 _cBook
999 _c1883771
_d1883767