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The complete book of airships - dirigibles, blimps and hot air balloons : the whole story of lighter-than-air travel ... past, present and future
- "The complete book of airships - dirigibles, blimps and hot air balloons : the whole story of lighter-than-air travel ... past, present and future"@en
- "The complete book of airships : dirigibles, blimps & hot air balloons"