Janecek, G., & Omuka, T. (1998). The Eastern Dada orbit: Russia, Georgia, Ukraine, Central Europe and Japan. New York, NY : Hall [u.a.].

Janecek, Gerald, and Toshiharu Omuka. The Eastern Dada Orbit: Russia, Georgia, Ukraine, Central Europe and Japan. New York: New York, NY : Hall [u.a.], 1998.

Janecek, Gerald, and Toshiharu Omuka. The Eastern Dada Orbit: Russia, Georgia, Ukraine, Central Europe and Japan. New York, NY : Hall [u.a.], 1998.