TY - BOOK TI - Variational methods in nonconservative phenomena T2 - Mathematics in science and engineering SN - 127284508 PY - 1989/// CY - Boston PB - Academic Press UR - http://www.loc.gov/catdir/description/els032/88014587.html | http://www.loc.gov/catdir/toc/els031/88014587.html ER -