{"id":"000029999","type":"book","title":"Pollen succession, absolute pollen frequency, and recurrence surfaces in central Japan. - o.O","container-title":"American journal of botany ; 54.1967, no. 7, S. 821-831 : 3 Ill","author":[{"family":"Tsukada","given":"Matsuo"}],"issued":{"raw":"1967"}}