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Control of white pine weevil, Pissodes strobi, on Sitka spruce using implants containing systemic insecticide
- Fraser, R.G. Control of white pine weevil, Pissodes strobi, on Sitka spruce using implants containing systemic insecticide / R.G. Fraser, D.G. Heppner. -- 1.vyd.
In The Forestry Chronicle. -- Vol.69, No.5. (1993), s. 600-603. graf.. tabg.
I. Heppner, D.G.
II. The Forestry Chronicle. -- Vol.69, No.5. (1993), s. 600-603. graf.. tabg.
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