Covers the development and usage of the Siebel Fh 104/Si 204 and all of its variants.[AuthorName]By (author) Manfred Griehl[/AuthorName][AuthorBio][/AuthorBio][NumIllustration]over 100 b/w photos, drawings[/NumIllustration][CoAuthor][/CoAuthor][SubTitle]Siebel Fh 104/Si 204 and Its Variants[/SubTitle][ColorPattern]over 100 b/w photos, drawings[/ColorPattern]