TY  - BOOK
AU  - Giordano,Frank R.
AU  - Weir,Maurice D.
TI  - Differential equations: a modeling approach 
SN  - 0201172089 (hbk.)
PY  - 1991///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Differential equations
N1  - Includes index; Includes bibliographical references
ER  -