المؤلفون: Cascante, Giovanni, Santamarina, J. Carlos

المصدر: Journal of Geotechnical Engineering. Oct96, Vol. 122 Issue 10, p831. 9p. 2 Charts, 9 Graphs.

مصطلحات موضوعية: *RADIO wave propagation, *RADIO frequency, *WAVES (Physics)

المؤلفون: Al-Hussaini, T. M., Ahmad, S.

المصدر: Journal of Geotechnical Engineering. Apr96, Vol. 122 Issue 4, p288. 7p.

مصطلحات موضوعية: *RADIO wave propagation, *VISCOELASTICITY