answersLogoWhite

0

Walter Sperling has written:

'Kuriose Probleme der Arithmetik, Geometrie, Mathematik, Optik, Physik' -- subject(s): Puzzles, Mathematical recreations

'LandeskundeDDR' -- subject(s): Bibliography

'How to make things out of paper'

User Avatar

Wiki User

10y ago

What else can I help you with?