deletions | additions       diff --git a/textbf_References_1_N_Westerhof__.tex b/textbf_References_1_N_Westerhof__.tex  index cbcba85..3c53ed7 100644  --- a/textbf_References_1_N_Westerhof__.tex  +++ b/textbf_References_1_N_Westerhof__.tex 
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\textbf{References}  1. N Westerhof, P Segers and BE Westerhof (2015) Wave separation, wave intensity, the reservoir-wave concept, and the instantaneous wave-free ratio. \textit{Hypertension} \textbf{66}. DOI: 10.1161/HYPERTENSIONAHA.115.05567. 2. R Burns (1786) A Dream in \textit{Robert Burns. Poems and Songs} Volume VI. The Harvard Classics. New York: P.F. Collier & Son, 1909–14; Bartleby.com, 2001. www.bartleby.com/6/.  C Darwin (1871) The Descent of Man, and Selection in Relation to Sex. John Murray, London: 1st ed. (1871) Vol 2; p. 385.