Results 1-3 of 76
-air traffic control development 18:64 lb radar use in ally identification 15:371b -
satellite communication system 16:266e transport, in biology, the movement of a
substance across a cell membrane. -biological membrane functions 11:879c cell
transportation, urban 96 U.S. postal service development 14:887a U.S.
urbanization catalyst 18:920g wagon and carriage historical development 19:
520g warehousing and distribution systems 17:708g transportation, urban 18:
658, the ...
Air transport: (1970) passenger mist",600,000, passenger km. 511,200,000, short
ton-mi cargo 7,373,000, metric ton-km cargo 10,764,000, (1972) airports with
scheduled flights 2. Communication. Daily newspapers (1969): total number 3, ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review