Köster, F. W., Hinrichsen, H.-H., Schnack, D., John, M. A. S., Mackenzie, B. R., Tomkiewicz, J., Möllmann, C., Kraus, G., Plikshs, M., Makarchouk, A., & Aro, E. (2003). Recruitment of Baltic cod and sprat stocks: identification of critical life stages and incorporation of environmental variability into stock-recruitment relationships. Scientia Marina, 67(S1), 129–154. https://doi.org/10.3989/scimar.2003.67s1129