Gerner A Olsen, . (1959). Elements of Mechanics of Materials. Englewood Cliffs: Prentice-Hall.
Gerner A Olsen, . 1959. Elements of Mechanics of Materials. Englewood Cliffs: Prentice-Hall.
Gerner A Olsen, . Elements of Mechanics of Materials. Englewood Cliffs: Prentice-Hall. 1959.