"Period_of_iterations" . "14937"^^ . . "Extra-Thematic" . . "The time period within which the landing event repeats multiple times."@en . "RLG" . "Period_of_iterations" . . "2011-09-01T20:34:07+02:00"^^ . . . "The time period within which the landing event repeats multiple times."@en . "per" .