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Publisher: Royal Society [ All ]

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  Title Copies
Nitrogen cycle of the United Kingdom: a report 
Year: 1983 
Call No: 556.522 
 1 
Nitrogen Cycle Study Group: conclusions and recommendations. 
Year: 1983 
Call No: 556.522 
 1 
Nitrogen cycle: a Royal Society Discussion held on 17 & 18 June 1981 
Year: 1982 
Call No: 556.522 
 1