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What is N in the I*N*L substitution? That should be explained. 128.211.169.1 ( Talk) 16:10, 21 November 2014
![]() | This article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
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What is N in the I*N*L substitution? That should be explained. 128.211.169.1 ( Talk) 16:10, 21 November 2014