World archaeoastronomy : selected papers from the 2nd Oxford International Conference on Archaeoastronomy held at Merida, Yucatan, Mexico 13-17 January 1986 /ed. by A.F. Aveni.- Cambridge (u.a.): Univ. Pr.- XIII, 504 S.: zahlr. Ill.; Kt.; Tab - Aveni, Anthony F (1989)