Struwwelpeter: Dual Language German-English Children's Stories
by Heinrich Hoffmann, Stefan Hollos, J Richard Hollos
ISBN 13: 9781887187435
Format: Paperback (62 pages) Publisher: Abrazol Publishing Published: 04 Oct 2021
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The Enigma of the Crookes Radiometer
by Stefan Hollos, J Richard Hollos
ISBN 13: 9781887187442
Format: Paperback (127 pages) Publisher: Exstrom Laboratories LLC Published: 04 May 2022
Combinatorics Problems and Solutions: Second Edition
by Hollos, Stefan Stefan Hollos, J Richard Hollos,
ISBN 13: 9781887187480
Format: paperback Publisher: Abrazol Publishing