Eaton A. E., 1898: Ephemeridae taken by Mr. McLachlan in the district of the lac de joux (Swiss Jura) in 1898. 2 pp.
50
2
EPH 288
Edmunds G. F., 1954: An outline of a reclassification of the Ephemeroptera. 5 pp. (in English). Entomological Society of Washington 56(5): 236-240.
50
2
EPH 208
Edmunds G. F., 1954: New species of Utah mayflies. II. Baetidae. Centroptilum (Ephemeroptera). 4 pp.
50
2
72000
Engblom E., Lingdell P. E., Müller K., 1981: Occurrence and flight movements of mayflies (Ins. Ephemeroptera) in the mouth of a coastal stream in the Northern Bothian Sea. 14 pp.