{"refrec":{"BRefID":331822,"RR":"<b>Witbaard, R.</b> (2020). “Age” determination of European flat oysters from the Voordelta reef. <i>NIOZ-rapport</i>, 2020(1). NIOZ Royal Netherlands Institute for Sea Research: Yerseke.  <a href=\"https://doi.org/10.25850/nioz/7b.b.y\" target=\"_blank\">https://doi.org/10.25850/nioz/7b.b.y</a>","BEntID":325434,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>NIOZ-rapport</i>, 2020(1). NIOZ Royal Netherlands Institute for Sea Research: Yerseke.   <a href=\"https://doi.org/10.25850/nioz/7b.b.y\" target=\"_blank\">https://doi.org/10.25850/nioz/7b.b.y</a>","DocTypID":13,"DocType":"Reports","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Witbaard, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Witbaard, R.","Englishabstract":"Twelve european flat oysters (Ostrea edulis) from the Voordelta (Netherlands) were aged by counting internal growthlines. 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