The Variational Principles of Mechanics - Paperback, by Cornelius Lanczos - Good

The Variational Principles of Mechanics (Dover Books on Physics) - GOOD

The Variational Principles of - Paperback, by Cornelius Lanczos - Acceptable

The Variational Principles of Mechanics (Dover Books on Physics) Cornelius Lanc

The Variational Principles of Mechanics (Dover Books on Physics)

The Variational Principles of Mechanics (Dover Books on Physics) Cornelius Lanc

The Wife of Bath: A Biography - Paperback, by Turner Marion - Very Good

Understanding Cryptography: A - Paperback, by Paar Christof; Pelzl - Very Good