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  5. Sotavalta, Olavi [Author]

    The essential factor regulating the wing-stroke frequency of insects in wing mutilation and loading experiments and in experiments at subatmospheric pressure = Hyönteisten siipien leikkaamisen ja kuormittamisen sekä ilmanpaineen alentamisen vaikutuksesta tapahtuvan siivenlyöntifrekvenssin säätelyn olennaiset syyt

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    Helsinki: Societas Zoologicae Botanicae Fennicae Vanamo, 1952

    Published in: Sotavalta, Olavi: Contributions to the problem of insect flight. ; 2 - Suomalainen eläin- ja kasvitieteellinen seura Vanamo: Annales zoologici Societatis Zoologicae Botanicae Fennicae Vanamo ; 15,2

  6. Sotavalta, Olavi [Author]

    On the fuel consumption of the honeybee (Apis mellifica L.) in flight experiments = Mehiläisen ravinnonkulutuksesta lentokokeiden aikana

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    Helsinki: Societas Zoologicae Botanicae Fennicae Vanamo, 1954

    Published in: Sotavalta, Olavi: Contributions to the problem of insect flight. ; 3 - Suomalainen eläin- ja kasvitieteellinen seura Vanamo: Annales zoologici Societatis Zoologicae Botanicae Fennicae Vanamo ; 16,5

  7. Sotavalta, Olavi [Author]

    On the thoracic temperature of insects in flight = Hyönteisten ruumiinlämmösta lennon aikana

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    Helsinki: Societatis Zoologicae Botanicae Fennicae Vanamo, 1954

    Published in: Sotavalta, Olavi: Contributions to the problem of insect flight. ; 4 - Suomalainen eläin- ja kasvitieteellinen seura Vanamo: Annales zoologici Societatis Zoologicae Botanicae Fennicae Vanamo ; 16,8

  8. Sotavalta, Olavi [Author]

    Contributions to the problem of insect flight

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    Helsinki: Suomen Hyönteistieteellinen Seura, 1947-1954

    Published in: Acta entomologica Fennica ; .- Annales zoologici Societatis Zoologicae. Botanicae Fennicae Vanamo ; .