TY - JOUR A1 - Cardoso, J. F. M. F. A1 - Nieuwland, G. A1 - Witbaard, R. A1 - van der Veer, H. W. A1 - Machado, J. P. T1 - Growth increment periodicity in the shell of the razor clam Ensis directus using stable isotopes as a method to validate age JO - Biogeosciences J1 - BG VL - 10 IS - 7 SP - 4741 EP - 4750 Y1 - 2013/07/15 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/10/4741/2013/ L1 - https://bg.copernicus.org/articles/10/4741/2013/bg-10-4741-2013.pdf DO - 10.5194/bg-10-4741-2013 ER -