TY - BOOK AU - Erickson,Martin J. TI - Aha! Solutions T2 - MAA problem books series SN - 9780883858295 PY - 2009/// CY - Washington, D.C. PB - Mathematical Association of America KW - Problem solving KW - Mathematics KW - Problems, exercises, etc N1 - Includes bibliographical references (p. 197-198) and index UR - http://www.loc.gov/catdir/enhancements/fy1101/2008938665-t.html ER -