000 00290nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a624.1834 BEL N76 BEL
100 _aBELENYA E
245 _aPRESTRESSED LOAD-BEARING METAL STRUCTURE
260 _c1977
300 _a463
999 _c15166
_d15166