000 00385nam a2200181Ia 4500
001 3634
008 141107s9999 xx 000 0 und d
020 _a0 435 68664 X
050 _aQC 21.2.N44 1979
100 _aNelkon M
245 _aScholarship Physics
250 _a5
260 _aLondon
260 _bHeinemann
260 _c1979
300 _a,;ill.
650 _aPhysics
999 _c31958
_d31958