How to Search
There are two kinds of search forms. The first form is for keyword search (1 - 4). The second form is for numerical search (5 - 8).
Keyword search form :(1) Select a category you want to examine.
(2) Also select a field for your search.
(3) Input a keyword.
(4) Push "Search" button, then the results will be displayed in the same page.
Numerical search form :(5) Select a category.
(6) Select a variable for your numerical search.
(7) Input minimum and maximum values. The search engine will find any values in this range.
(8) Push "Search", then the relevant files will be listed in the page.