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P. R. Heller

Works: 1 total (1 publication, 0 datasets, 0 documents)

Local Knowledge Graph (7 entities)

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Knowledge graph centered on P. R. Heller with 7 nodes and 11 connections. Top connected: Spruce, Picea pungens, Blue Spruce, Colorado Blue Spruce, S. Kellogg.

Works (1)

All (1)Publications (1)
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Article

Spring Control of Cooley Spruce Gall Adelgid on Colorado Blue Spruce in Berks County, 1988

1989Insecticide and Acaricide TestsDOI: 10.1093/iat/14.1.356a