000 00327nam a2200121Ia 4500
005 20251007104556.0
008 251006s9999 xx 000 0 und d
100 _asellman,roger raymond
245 0 _a.george and robert stephensonbsellman,roger raymond
260 _a1st ed. | .LondonbMethuen
260 _c1971
942 _cBOK
999 _c10217
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