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The status of knowledge of the genus Ecdyonurus in the iberian peninsula, with description of two new species of the E. venosus Group from spain (Ephemeroptera: Heptageniidae)
The Botanical Collector's Guide: A Manual for Students and Collectors, Containing Directions for the Collection and Preservation of Plants and the Formation of a Herbarium
Ecological Studies on the Subfamily Apioninae Injurious to Leguminous Crops in Japan 1. Discrimination of some Apioninae (Col. Curculionidae) Species Inhabiting Grasses in Hokkaido