TY - BOOK ID - 138045069 TI - Electromagnetic attenuation properties of clay and gravel soils AU - Ellerbruch, Doyle A. AU - United States. PY - 1974 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138045069 AB - ER -