00295nam a2200133Ia 450000500170000008000190001724500230003626000290005930000130008858300190010165000110012094200130013199900170014420260716043739.0  a08.13.01 S7271  aProtocol on mining  bSADCaGaboroneBWc[199?]  ai, 17 p.  c10/30/06kJOYD  aMINING  cMmS7271  c53510d53510