WHO technical report series, ISSN 0512-3054 914
vi, 126 s. : tab. ; 24 cm
Knihovny.cz ISBN
92-4-120914-3
The link will be redirected to the address of the production version after the testing phase.
AND or + signifies AND operation (intersection)
OR or | signifies OR operation (union)
- negates a single word
" wraps text to signify a phrase
* at the end of a term signifies a right-side expansion
( and ) signify precedence
~N after a word signifies edit distance (fuzziness)
~N after a phrase signifies words distance