TY  - GEN
TY  - GEN
T1  - Swarming in Ephemeroptera : the mechanism of swarming and the effects of illumination and weather
A1  - Savolainen, Eino
LA  - eng
PP  - Hki
PB  - [E. Savolainen]
YR  - 1978
UL  - https://kansalliskirjasto.finna.fi/Record/fikka.3252132
NO  - Erip.: Annales zoologici Fennici ; 15 (1978).
ER  -