Download Full PDF Version [1,068Kb]
The designations employed and the presentation of material in this
information product do not imply the expression of any opinion whatsoever
on the part of the Food and Agriculture Organization of the United Nations
(FAO) concerning the legal or development status of any country, territory,
city or area or of its authorities, or concerning the delimitation of its frontiers
or boundaries. The mention of specific companies or products
of manufacturers, whether or not these have been patented, does not imply
that these have been endorsed or recommended by FAO in preference
to others of a similar nature that are not mentioned.
The views expressed in this information product are those of the author(s)
and do not necessarily reflect the views of FAO.
TABLE OF CONTENTS
© FAO 2009