Peirce, Kathleen C.Perez, Amanda R.2015-04-062015-04-062011-12Perez, A. R. (2011). <i>Perigee</i> (Unpublished thesis). Texas State University-San Marcos, San Marcos, Texas.https://hdl.handle.net/10877/5480No abstract prepared.Text59 pages1 file (.pdf)enSpanishPhysicsConversationJournalLettersThesis