Earthwatch Institute Journal (Online)
Earthwatch Institute Journal [elektronický zdroj]. -- Maynard, Mass. : Earthwatch Expedition. -- Description based on: Vol. 19 Issue 1 (2000); title from PDF running title, EBSCOhost, viewed Apr. 10, 2009.. -- Latest issue consulted: Vol. 27 Issue 1 (Nov. 2007).
In: Academic Search Premier. -- Ipswich, MA : EBSCO Publishing, 1999-.
Earthwatch Institute
Earthwatch Institute - Periodicals. Engineering - Mining Engineering. Environmental Sciences - Energy Conservation& Alternate Energy Sources. Environmental sciences - Research - Periodicals.. Scientific expeditions - Periodicals