Pesi elefanton
Saĝa Huang Wan

• Author: He Youzhi
• Collaborator: Adaptis: Gu Zhongjin; pentris: Sha Gengshi
• Kind: for children
• Price: 1 2nd hand €1.80
• Year of publication: 1981
• Other formats/editions: new book ±€4.00
• Description: Infanoj brile solvas du fizikajn problemojn.
• Pages: 91
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