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Enter any term(s) in the form box below - then click "Start Search" - to search our archives for related information. 

The form below allows you to type text to locate, and then displays a list of hyperlinks to PMA OnLine Magazine pages containing the search text. The search string can include the Boolean keywords: and, not, or, and parentheses.

The results of your search will be displayed on this page immediately below the search form.

Search the PMA ONLINE MAGAZINE Archives


Boolean Expressions

Searches may use AND, OR, NOT boolean connectors (a space between keywords is treated as AND). Multiple ANDs, ORs and NOTs are supported. Upper and lower case are ignored (case-insensitive). Keywords may be truncated with an '*' as the last character of the root-word.

as in:

POWER TRANSMISSION     =  both power and transmission
POWER AND TRANSMISSION =  both power and transmission
ELECTRIC OR GAS      =  either electric or gas
MARKET*          =  any word beginning with 'market'
COURT NOT SUPREME =  all entries with 'court' but excluding any with 'supreme'

You can give boolean expressions with parenthesized sub-expressions as in:


which will match article names that contain 'supreme' and 'court' or articles that have names that contain 'supreme' and 'burrito'. When in doubt about order of evaluation, parenthesize the expression.

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