00307nam a2200109Ia 4500008004100000022001800041040002500059082001900084100002200103245003900125260003300164240215s9999    xx            000 0 und d  a0-8311-1099-6  aNORSU-DumcNORSU-Dum  a621.902/C43/C4  aChilds, James, J. 0aNumerical Control Part Programming  bIndustrial Press, Inc.c1973