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Cookie SettingsLuoma, M., Mikkonen, K., Tikkanen, M., & Kallaste, T. (1989). The changes of parameters in gravity models. Geographical Society of Finland.
Chicago Style CitationLuoma, Martti, Kauko Mikkonen, Matti Tikkanen, and Tiit Kallaste. The Changes of Parameters in Gravity Models. Hki: Geographical Society of Finland, 1989.
MLA CitationLuoma, Martti, et al. The Changes of Parameters in Gravity Models. Geographical Society of Finland, 1989.
Harvard Style CitationLuoma, M., Mikkonen, K., Tikkanen, M. & Kallaste, T. 1989. The changes of parameters in gravity models. Hki: Geographical Society of Finland.
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