Informations:

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Reference books written by Yasuo Ôtsuka
[2001] Sakuga Ase-mamire (Zôho kaiteiban) - 作画汗まみれ　相補改訂版 (Tokuma Shoten, Japanese)

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Reference books (mainly) related to Yasuo Ôtsuka
[2001] Sakuga Ase-mamire (Zôho kaiteiban) - 作画汗まみれ　相補改訂版 (Tokuma Shoten, Japanese)

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