The camel and the wheel.

von Bulliet, Richard W.
Cambridge, Mass. : Harvard University Press, 1975.
Umfang/Format: 327 p. : Abb. ; 23 cm.

The camel and the wheel

von Bulliet, Richard W.
Cambridge, Mass. : University Press, 1977.
Umfang/Format: xiv, 327 p. : ill. (= 125 fig.), 4 maps ; 24 cm.