A first course in differential equations with modeling applications / Dennis G. Zill. Zill, Dennis G., 1940- Differential equations Textbooks. QA372 .Z54 2013 515.35 23 ZIF Includes index. Boston, MA : Brooks/Cole, Cengage Learning, c2001. c2001. 2013 Text 1 v. (various pagings) : http://www.loc.gov/catdir/enhancements/fy1303/2011944307-b.html http://www.loc.gov/catdir/enhancements/fy1303/2011944307-d.html http://www.loc.gov/catdir/enhancements/fy1303/2011944307-t.html eng