{"id":"000029157","type":"book","title":"On xerophytic adaptations of leaf structure in yuccas, agaves and nolinas. - Boston, MA","container-title":"The american naturalist ; 42.1908, no. 497, S. 308-316 : 2 Ill","author":[{"family":"MacClendon","given":"Jesse F."}],"issued":{"raw":"1908"}}