ASSESSMENT OF DNA VARIATIONS OF THE NOBLE CRAYFISH (ASTACUS ASTACUS L.) IN GERMANY AND POLAND USING INTER-SIMPLE SEQUENCE REPEATS (ISSRS)H. K. SCHULZ, P. ŠMIETANA and R. SCHULZBull. Fr. Pêche Piscic., 372-373 (2004) 387-399DOI: https://doi.org/10.1051/kmae:2004012