Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Journal of the Faculty of Science, Hokkaido University. Series 6, Zoology >
Vol. 23 No. 1 >
Social Modifications of Work Efficiency in Digging by the Ant, Formica (Formica) yessensis Forel (With 6 Text-figures and 1 Table)
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