000 00272nam a2200121Ia 4500
008 211209s1971 xx 000 0 und d
041 _aeng
082 _a500 N7 RIC/WES
100 _aRICHARD
245 _aCONSTRUCTION OF MODERN SCIENCE
260 _c1971
300 _a171
999 _c14636
_d14636