000 00254nam a2200109Ia 4500
008 190816s9999 xx 000 0 und d
020 _a9788122435580
100 _a"SINGAL, R K*.*."
_9503
245 0 _aNUCLEAR REACTORS
260 _bNEW AGE
365 _b499
999 _c52089
_d52089