TY  - BOOK
ED  - Radio Technical Commission for Acronautics, Washington, D.C.
TI  - Historia del trafico aereo
PY  - 1952///
CY  - Washington
KW  - Radio Technical Commission for Acronautics, Washington, D.C
KW  - Special Committee 47
KW  - Local
KW  - Airways
KW  - United States
KW  - Aids to air navigation
N1  - Bibliography: p. 177-179
ER  -