Energy Metabolism of two Species of the Genus Emberiza as Correlated with Distribution and Migration; with 16 Figures and 25 Tables in the Text and 2 Maps; Acta Zoologica Fennica 84
Helsingforsiae, 1954, 110 s. + 1 utvikb. kartbilaga, hft. ouppskuret ex., mkt. gott skick, överstruken ägarstmpl. / Studien avhandlar två arter av fältsparvar: gul- resp. ortolansparven /