deletions | additions       diff --git a/textbf_References_N_Westerhof_P__.tex b/textbf_References_N_Westerhof_P__.tex  index 8330144..8973124 100644  --- a/textbf_References_N_Westerhof_P__.tex  +++ b/textbf_References_N_Westerhof_P__.tex 
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C Darwin (1871) The Descent of Man, and Selection in Relation to Sex. John Murray, London: 1st ed. (1871) Vol 2; p. 385.    KH Parker, J Alastruey and G-B Stan (2012) Arterial reservoir-excess pressure and ventricular work, Med. & BIOL, ENG. Biol, Eng.  & COMP. Comp.  \textbf{50}, 419-424, ISSN: 0140-0118.