Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (AUTHOR=Armstrong AND P AND R)


 
 
 
Select Item Title Year Published
Balloon-borne particulate sampling for monitoring power plant emissions / 1978
Formation of Transconjugants on Plating Media Following 'In situ' Conjugation Experiments. 1991
Monitoring the performance of solar heated and cooled buildings 1979
Rapid excavation by rock melting : --LASL subterranean program-- September 1973 - June 1976 / 1977

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