000 00419nam a22000977a 4500
008 150910b xxu||||| |||| 00| 0 eng d
082 _a636 BAR
100 _aBARRETT VINCENT
_cVINCENT BARRETT, GREGORY LASSITER , DAVID WILCOCK, DOYLE BAKER , AND CRAWFORD.
245 _aANIMAL TRACTION IN EASTERN UPPER VOLTA:
_bA TECHNICAL ,ECONOMIC AND INSTITUTIONAL ANALYSIS:
260 _aMICHGAN,
_bMICHGAN STATE UNIVERSITY:
_c1982.
999 _c2729
_d2729