1.
Polar Icebreakers in a Changing World: An Assessment of U.S. Needs
by Committee on the Assessment...
ISBN: 9780309103213
List Price: $33.50
2.
Polar Icebreaker Roles and U.S. Future Needs: A Preliminary Assessment
by Committee on the Assessment...
ISBN: 9780309100694
List Price: $21.00