000 00383nam a2200169Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 539 CLA-A4
100 _aClark, George L
245 _aApplied x-rays
250 _a4
260 _bMcGraw-Hill Book Company, New York
260 _c1955
300 _a843
365 _bD16
650 _aModern physics
942 _cBOOKS
999 _c8367
_d8367