00271nam a2200097Ia 450000500170000000800410001702000140005808200180007224500430009026000400013320250107154420.0241216s9999||||xx |||||||||||||| ||und|| a471058084 aRES 620.1 MER 0aEngineering Mechanics Volume 1 Statics aNew YorkbJohn Wiley and Sonsc1980