00408nam a2200121 a 4500041000800000082001800008100002300026245010900049260004500158300001800203505003700221505002800258  aeng  a305.56bR589s  aDe Roux, Gustavo I  aThe social basis of peasant unrestba theoretical framework with special reference to the colombian case  aWisconsinbUniversity of Wisconsinc1974  a365 pb1 mapa  aTesis (Doctorado en filosofía)  aUniversity of Wisconsin