TY  - BOOK
AU  - RUEL V
TI  - OPERATIONAL MATHEMATICS
U1  - GN517.8C473O2 
PY  - 1900///
CY  - NEW YORK
PB  - McGRAW-HILL BOOK COMPANY
KW  - OPERATIONAL MATHEMATICS
N1  - MODERN BOOK HOUSE JABALPUR
ER  -