Shipping costs for PATZNER, R, A,., Cyclical changes in the ovary of the hagfish, Eptatretus burgeri (Cyclostomata)., Acta Zool. Stockh., 59, 57-61 (1978)., Obr., [WES114].., // PATZNER, R. A., Cyclical changes in the testis of the hagfish, Eptatretus burgeri (Cyclostomata)., Acta Zool. Stockhl., 58, 223-226 (1977)., Orb., [WES114].. //