Variational Principles in Heat Transfer http://127.0.0.1/xmlui/handle/123456789/1429 Wed, 15 Apr 2026 03:42:23 GMT 2026-04-15T03:42:23Z Variational Principles in Heat Transfer http://127.0.0.1/xmlui/handle/123456789/1430 Variational Principles in Heat Transfer Agrawal, Harish Chandra Sun, 01 Jan 1961 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/1430 1961-01-01T00:00:00Z