Variational Principles in Heat Transfer: Unified Lagrangian Analysis of Dissipative Phenomena Maurice A. Biot
1970. 185 pages. Green pictorial paperback. Pages are clean and bright with a firm binding. Endpapers and page edges are lightly tanned and foxed. Paperback is lightly rub worn and thumbed with light shelf wear to edges and corners. Light creases to corners and spine. Tanning to spine and edges.