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Schwalm, F.E. Autonomous structural changes in polar granules of unfertilized eggs ofCoelopa frigida (Diptera). W. Roux' Archiv f. Entwicklungsmechanik 175, 129–133 (1974). https://doi.org/10.1007/BF00574297
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DOI: https://doi.org/10.1007/BF00574297