Bibliography
Books:
Jenny, H.
1941 Factors of Soil Formation. McGraw-Hill Publishers
USDA
1999. “A Private Affair, Nature Reserves in the Hashemite Kingdom of Jordan.” THE GEORGE WRIGHT FORUM 19: 75-87.
Articles in edited books:
Scudder, S.J., J.E. Foss, and M.E. Collins
1996 Soil science and archaeology. Advances in Agronomy 57:1-76. Academic Press, Inc.