"Pierre Biersma" . "TROS-tv" . "Pierre Biersma" . "VARA-tv" . "XXII005" . . . "27/031" . "24/005" . "1373" . "NOS-tv" . "Pierre Biersma" . "22/005" . . "Pierre Biersma" . "XXIV005" . "1439" . "1531" . "XXVII031" .