00399nam a2200133Ia 450000500170000000800460001703700120006304000210007504100130009608400240010924500460013326000770017930000090025620250508153424.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a016.0014, UNIqFEDL 0aCooperative research projects fiscal 1958  aWashington, USAbU.S. Department of Health, Education, and Welfarec1958  a52p.