[3] Richard L. Zettler, A Bronze Age Cemetery Under a Barley Field, The Pennsylvania Gazette, Feb 1997
repository.upenn.edu
[5] Miller, N. F., Sweyhat and Hajji Ibrahim: Some Archaebotanical Samples From the 1991 and 1993 Seasons.MASCA ResearchPapers in Science and Archaeology, vol. 14, pp. 95-122, 1997