00261nam a2200109Ia 4500008004100000041000800041082002500049100001400074245004600088260000900134300000800143211209s1977    xx            000 0 und d  aeng  a624.1834 BEL N76 BEL  aBELENYA E  aPRESTRESSED LOAD-BEARING METAL STRUCTURE   c1977  a463