“Preface.” How Round Is Your Circle?: Where Engineering and Mathematics Meet, by John Bryant and Chris Sangwin, Princeton University Press, PRINCETON; OXFORD, 2008, pp. xiii-xviii, www.jstor.org/stable/j.ctt7rq7h.3. Accessed 26 July 2021.
Bryant, J., & Sangwin, C. (2008). Preface. In How Round Is Your Circle?: Where Engineering and Mathematics Meet (pp. Xiii-Xviii). PRINCETON; OXFORD: Princeton University Press. Retrieved July 26, 2021, from http://www.jstor.org/stable/j.ctt7rq7h.3
Bryant, John, and Chris Sangwin. "Preface." In How Round Is Your Circle?: Where Engineering and Mathematics Meet, Xiii-viii. PRINCETON; OXFORD: Princeton University Press, 2008. Accessed July 26, 2021. http://www.jstor.org/stable/j.ctt7rq7h.3.
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