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 24-06-2016 Piet Bouma:
Zubov toont op http://minietiud.forum2x2.ru/t1301-topic de volledige oplossing 5. ... 15-20 6. 25x14 42-48 7. 07-23 26-31 8. 36x27 24-29 9. 39-33 48x19 10. 33x13
 01-04-2021 Evgraf Zubov:
"Shashechnyi mir", N2/3, 1999, p50