000 00314nam a2200121Ia 4500
008 211209s1971 xx 000 0 und d
041 _aeng
082 _a621.381 N71 ROB/KNE
100 _aROBERT M B
245 _a49 EASY ENTERTAINMENTS AND SCIENCE PROJECTS
260 _bTARAPOREVAL AND SONS
_c1971
300 _a96
999 _c16292
_d16292