Trace element analysis of obsidian artifacts from El Mirador, Guatemala

von Nelson, Fred W.
New World Archaeological Foundation (Provo-UT): notes 3
Provo-UT : New World Archaeological Foundation, 1986.
Umfang/Format: 13 p. : ill. ; 28 cm.

Archaeological investigations at Dzibilnocac, Campeche, Mexico

von Nelson, Fred W.
New World Archaeological Foundation (Provo-UT): papers 33
Provo-UT : New World Archaeological Foundation, 1973.
Umfang/Format: XIV, 142 S. : 107 Ill. ; 51, 8 Tab. (z.T. gef.).