共 2 条
[1]
Electromaganetic determination of soil water content: Measurement in coaxial transmission lines. Topp,G C,J L Davis,A P Annan. Water Resources . 1980
[2]
Locating the frozen-unfrozen interface in soil using Time-Domain Reflectometry. Baker,T H W,J L davis,H N hayhoe,G C Topp. Canadian Geotechnical Journal . 1982