TY - BOOK ID - 127895664 TI - Terrestrial radio waves : theory of propagation PY - 1962 PB - New York (N.Y.) : Elsevier, DB - UniCat KW - Radio waves. KW - Geomagnetism. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127895664 AB - ER -