Query: title:(Biological nitrogen fixation in an organic farming system), Author: Vinther

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title:(Biological nitrogen fixation in an organic farming system) Author: Vinther

Boolean:	`(bicycle AND helmet) OR (head AND protection)` (always group AND in parenthesis)
Title:	`title:(climate change)`
Author:	`author:("bohr niels" OR "bohr n")` (avoid only full first name)
Phrase:	`"water pump control"` (does not work with wildcards)
Wildcards:	`wom?n pharm*`

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