00483nam a2200145Ia 450000500170000000800460001703700120006304000210007504100130009608400190010924500850012824500520021326000600026530000120032520250508153953.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a379, UNIqFEDL 0aOfferings and enrollments in science and mathematics in public high schools 1958 0cU S Department of Health, Education and Welfare  aWashington, USAbU.S. Government Printing Office c1961  avii,87p