@BOOK{ Book!D - 91678950,
AUTHOR = "AL PERT,YAKOV L OVICH",
TITLE = "Propagation of ele & vlf waves near the earth",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی امیرکبیر",
SUBJECT = " IONOSPHERIC RADIO WAVE PROPAGATION  , WAVE GUIDES  ",
URL = "/book/91678950/Propagation-of-ele-vlf-waves-near-the-earth/"}