PRELIMINARY OBSERVATION OF OCCASIONAL MORTALITY IN THE POPULATION OF FRESHWATER CRAYFISH IN THE PICOS DE EUROPA (ASTURIAS, SPAIN)F. ROYO, G. GONZALEZ-CIENFUEGOS and J. L. MUZQUIZBull. Fr. Pêche Piscic., 367 (2002) 935-941DOI: https://doi.org/10.1051/kmae:2002076
