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These terms define your current search. Click the × to remove a term. Research, Technology and Engineering: materials science > materials > polymers > polypropylenes × 124 items, grouped by Insects and Entomology (view ungrouped items) insect biology (1)    (Click to View) Infestation and Development of Sitophilus spp. in Pouch-Packaged Spaghetti in Japan Journal of economic entomology insects (1)    (Click to View) Infestation and Development of Sitophilus spp. in Pouch-Packaged Spaghetti in Japan Journal of economic entomology