{"id":"001483708","type":"book","title":"Pollen analytical investigations in the Northern Netherlands","publisher":"Rijksuniversiteit Groningen, Biologisch-Archaeologisch Instituut.","publisher-place":"Groningen","container-title":"Acta botanica Neerlandica Vol. 4, No. 1 (1955","author":[{"family":"Zeist","given":"Willem van"}],"issued":{"raw":"1955"}}