Koolhoven against Zeppelins
Letectví + kosmonautika ; 74 , 25-26 ; 88-89
1998
Aufsatz (Zeitschrift)
Unbekannt
Building zeppelins in the United States
Engineering Index Backfile | 1930
|Some aspects of hybrid-zeppelins
NTRS | 1975
|Largest and fastest of the zeppelins
Engineering Index Backfile | 1924
Emerald Group Publishing | 2009
Goodyear begins assembling advanced-tech zeppelins
Online Contents | 2013
|