00346nam a2200133Ia 450000500170000008000200001724500490003726000260008630000100011250000400012258300190016294200140018199900170019520260716043112.0  a07.01.02 F686re  aRural extension : starting with the possible  bFAOaSantiagoCLc1991  a54 p.  aIncludes bibliographical references  c3/7/00kM2LMGR  cMmF686re  c40329d40329