Боинг B-17 — разлика између измена
Садржај обрисан Садржај додат
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* {{Cite book | ref= harv|last=Chant| first = Christopher | title = Drugi svjetski rat - Avioni|year=1977| publisher = Alfa| location = Zagreb | language = {{sr}}| id = | chapter = Boeing B-17, Flying Fortress |pages=118–119}}
* {{Cite book |ref= harv|last = Sharpe| first = Michael | title = Military Aircraft|year=2012| publisher = Taj Books International LLC| location = Charlottesville USA | language = {{en}}| id = | chapter = Bombers|isbn=978-1-84406-224-9|pages=52}}
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* {{Cite book| ref=harv| last=Јанић| first = Чедомир| title = Век авијације - [илустрована хронологија]|year=2003| url = |publisher=Ефект 1| location =Беочин |isbn=86-84905-00-8|pages=}}
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