VEPP: Using the VEPP website in an introductory geology course: an investigation of the July 21, 2007 eruption of Pu'u O'o --Discussion

VEPP: Using the VEPP website in an introductory geology course: an investigation of the July 21, 2007 eruption of Pu'u O'o --Discussion http://nagt.org/nagt/vepp/examples/47272.html#discussion