Books listed by ISBN > Academic Press > Helmut R. Salzmann

Helmut R. Salzmann

titleISBN-13
(ISBN-10)		year of publication
Topological Planes978-O-12-O26791-O
(O-12-O26791-8)		1967

H.S. · H. Salzmann · Helmut Salzmann · R. S.

Helmut R. Schmeer

running my target
I imagined my papers
behind my water