00348nam a2200133Ia 450000500170000008000220001724500560003926000260009530000070012150000350012858300170016394200170018099900170019720260716043647.0  aREF 19.02.06 F686  aFAO yearbook : fertilizer : engrais : fertilizantes  bFAOaParisFRc[19--]-  av.  aDocumentation Centre has: 1993  c3/1/06kJOYD  cCmF686kREF  c51795d51795