Use of Ramanujan's equation of ellipse to determine arch perimeter.

Thundukattil Vineeth V, Gangadharan Anil, John Serin Sarah

Kollam, Kerala, India.

Am J Orthod Dentofacial Orthop. 2016 May;149(5):592-3. doi: 10.1016/j.ajodo.2016.02.006.

Abstract

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