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Response of the engraver beetle, Ips perturbatus to semiochemicals in white spruce stands of interior Alaska
R.A. Werner1993

IPS engraver beetles (Ips avulsus, I. grandicollis, and I. calligraphus)
Southern Forest Experiment Station (New Orleans, La.)1956

Overwintering habits of Ips lecontei Sw. and Ips confusus (Lec.) in Arizona and New Mexico
John F. Chansler1964

Ips pini attack density in ponderosa pine thinning slash as related to felling date in eastern Oregon
Charles Sartwell1970

Mortality of the western pine beetle and California five-spined ips in a field trial of lindane
Lyon, Robert L.1960
Needle-biomass, growth and growth distribution of Pinus radiata in South Africa, in relation to pruning and thinning =
Anthonie Van Laar1973
A comparison of the extraction of Pinus radiata first thinnings in billet lengths and tree lengths
Charles Maltby Kerruish1967