Stratigraphy of the Koyama limestone and structural relation between the limestone and the surrounding strata in the Oga area, Okayama Prefecture, western Japan
Studies on population dynamics of monochamus saltuarius (Gebler) (Coleoptera : Cerambycidae) and transmission of Bursaphelenchus mucronatus Mamiya et Enda (Nematoda : Aphelenchoididae) : Inhibitory process of epidemic of pine wilt disease in a cooler area