00468nam a2200181Ia 450000500170000000800410001704100110005808200230006910000230009210000300011511000160014524500340016126000270019530000200022265000130024265000190025565100120027420260814105656.0260814t1989    xx            000 0 und d  acompra  aBIB/08.16.00/04426  aCajías, Lupe, ed  aGumucio Dagrón, Alfonso  aNU.  UNESCO 0aLas radios mineras de Bolivia  aLa Paz :bCIMCA,c1989  a230 pb. : ilus  a MINEROS  a RADIODIFUSION  aBOLIVIA