000 00417nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a823 N:1
100 _a"Narayan, R K "
245 0 _aDark Room
260 _aSydney
260 _b Mcgraw Hill
260 _c1970
365 _b500
942 _cBK
999 _c109625
_d109625