1007/s11829-011-9171-2 Beveridge, N.G.P., C. Rauch, P.J.A. Keßler, R.R. van Vugt & P.C. van Welzen 2013. A new way to identify living species of Nepenthes (Nepenthaceae):
Nations Radio and the World Service in radio. On November 4, 1994, Stef vander Ziel distributed the first live video images over the web from the Simplon