We have a patron requesting the following resources in full text. We have exhausted all possible stateside resources -does anyone have an alternative way of retrieving these?
"The Principle of Effective Stress"
Teknisk Ukeblad vol. 106, issue 39 (1959) pgs. 859-863
Bishop AW. 1959. The principle of effective stress. Lecture delivered in Oslo, Norway, in 1955
"Theoretical Derivation of Darcy's Law"
Acta Mechanica vol. 25, issue 3 (Sept. 1977) pgs. 153-170
Clarence King Library
U.S. Geological Survey