Entomological Phases of the 1961 Lodgepole Needle Miner Control Project in Yosemite National Park (Classic Reprint) Stevens, Robert E. Heftet / 2018 / Engelsk
Biology and Control of the Pine Needle-Sheath Miner, Zelleria Haimbachi Busck (Lepidoptera; Hyponomeutidae): April 1959 (Classic Reprint) Stevens, Robert E. Heftet / 2018 / Engelsk
Market Opportunity Analysis Dunn, Robert E Stevens; David L Loudon; Philip K Sherwood; John Paul Digital bok / 2012 / Engelsk
Entomological Phases of the 1961 Lodgepole Needle Miner Control Project in Yosemite National Park (Classic Reprint) Stevens, Robert E. Innbundet / 2018 / Engelsk
Biology and Control of the Pine Needle-Sheath Miner, Zelleria Haimbachi Busck (Lepidoptera; Hyponomeutidae): April 1959 (Classic Reprint) Stevens, Robert E. Innbundet / 2018 / Engelsk