TY  - BOOK
ED  - United States.
TI  - The on line modeling system
U1  - 005.117 
PY  - 1971///
CY  - Maryland, U.S. Dept. of Health, Education, and Welfare
KW  - Computer program language
N1  - Library has pt. 3; Includes bibliographical references; Part. 3. Laboratory of applied studies, by Edward Hill, Jr
ER  -