00259nam a2200109Ia 4500008004100000041000800041082001800049100001400067245005100081260000900132300000800141211209s1970    xx            000 0 und d  aeng  a620.3 N70 ANV  aANVONER S  aSOLUTION OF PROBLEMS IN MECHANICS OF MACHINES   c1970  a526