TY - RPRT TI - The effect of diagenesis and acetolysis on the preservation of morphology and ultrastructural features of pollen AU - Michael Zavada AU - Paul C. Hackley PY - 2022 DO - 10.1016/j.revpalbo.2022.104679 UR - https://pubs.usgs.gov/publication/70237696 ID - 70237696 ER -