Author
Yawin, Robert.Publication Subjects
Mathematical recreations.
Puzzles.
Mathematical recreations.--fast--(OCoLC)fst01012120
Puzzles.--fast--(OCoLC)fst01084492Call No.
QA95 .Y38 1985Notes
Carrier type: volumencrdacarrier
Media type: unmediatednrdamedia
Date: [1985]
Publication Info: {copy}1985