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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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PhD Thesis

Biological nitrogen fixation in clover-ryegrass systems

By Jensen, Henning Høgh

From

Department of Agriculture & Ecology, Faculty of Life Sciences, Københavns Universitet

Department of Agriculture & Ecology, Environment, Resources and Technology, Department of Agriculture & Ecology, Faculty of Life Sciences, Københavns Universitet

Language: English
Publisher: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Plant Nutrition and Soil Fertility Laboratory
Year: 1997
Types: PhD Thesis

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