TY - BOOK AU - Skerjanec,R.E. AU - Hubbard,R.W. TI - Aircraft Obstruction of Microwave Links U1 - 387.73 PY - 1979/// CY - Washington, D.C. PB - United States Govwrnment Printing Office KW - transportation services KW - United States KW - Aircraft N1 - NTIA-Report-79-14 ER -