1.
Geoscience Handbook: AGI Data Sheets, 4th (revised) Edition
by J. Douglas Walker and Harve...
ISBN: 9780922152841
List Price: $49.95
2.
Geoscience Handbook: The AGI Data Sheets, 4th Edition
by Editors J. Douglas Walker a...
ISBN: 9780922152759
List Price: $49.95