Heck, A., & Perdang, J. (1991). Applying fractals in astronomy. Springer-Verlag.
Chicago Edition CitationHeck, A., and J.M Perdang. Applying Fractals in Astronomy. New York: Springer-Verlag, 1991.
Deismireacht MLAHeck, A., and J.M Perdang. Applying Fractals in Astronomy. Springer-Verlag, 1991.
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