John S. Campbell

Local and global smoothing of discontinuous finite element functions using a least squares method

E. Hinton, John S. Campbell · International Journal for Numerical Methods in Engineering · 1974 · 616 citations

Engineering, Civil Engineering, Computational Engineering +13

Natural poplar hybrids from southern Alberta. I. Continuous variation for foliar characteristics

Stewart B. Rood, John S. Campbell, T. Despins · Canadian Journal of Botany · 1986 · 50 citations

Life Sciences, Plant Biology, Plant Sciences +15

Catalytic fission of the carbon-halogen bond. Part 1.—Reactions of ethyl chloride and ethyl bromide with hydrogen on evaporated metal films

John S. Campbell, C. Kemball · Transactions of the Faraday Society · 1961 · 48 citations

Natural Sciences, Chemistry, Catalysis +6

Influences of Catalyst Formulation and Poisoning on the Activity and Die-Off of Low Temperature Shift Catalysts

John S. Campbell · Industrial & Engineering Chemistry Process Design and Development · 1970 · 45 citations

Natural Sciences, Chemical Engineering, Chemistry +14

Regression equations for estimating single tree biomass of trembling aspen: Assessing their applicability to more than one population

John S. Campbell, Victor J. Lieffers, E. C. Pielou · Forest Ecology and Management · 1985 · 40 citations

Natural Resources, Ecology, Forestry +11