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Huang, Zhen Shao (2001). Elert, Glenn (ed.). "Speed of the Continental Plates". The Physics Factbook. Archived from the original on 2020-06-19. Retrieved 2020-06-20.
M. Fischer; U.K. Franzeck; I. Herrig; U. Costanzo; S. Wen; M. Schiesser; U. Hoffmann; A. Bollinger (1 January 1996). "Flow velocity of single lymphatic capillaries in human skin". Am J Physiol Heart Circ Physiol. 270 (1): H358 –H363. doi:10.1152/ajpheart.1996.270.1.H358. PMID8769772.
Huang, Zhen Shao (2001). Elert, Glenn (ed.). "Speed of the Continental Plates". The Physics Factbook. Archived from the original on 2020-06-19. Retrieved 2020-06-20.