{"id":"000028886","type":"book","title":"Pollen analysis and the scanning electron microscope. - Chicago, IL","container-title":"Scanning electron microscopy : Annual Scanning Electron Microscope Symposium <2, 1969, Chicago> : proceedings ; 14 S. : zahlr. Ill","author":[{"family":"Martin","given":"Paul S. (Paul Sidney)"}],"issued":{"raw":"1969"}}