Zippi, Pierre A. (1991). "SEM and Light Microscope Mounting and Specimen Location Technique for Same-Specimen Study of Palynological Strew Mounts". Micropaleontology. 37 (4): 407–13. Bibcode:1991MiPal..37..407Z. doi:10.2307/1485913. JSTOR1485913.
Michael W. Davidson (2010), Optical Aberrations, chapter in Molecular Expressions website at Florida State University. Last edit 2006-06-15 at 02:39 PM, accessed in 2010-01-12.
harvard.edu
ui.adsabs.harvard.edu
Zippi, Pierre A. (1991). "SEM and Light Microscope Mounting and Specimen Location Technique for Same-Specimen Study of Palynological Strew Mounts". Micropaleontology. 37 (4): 407–13. Bibcode:1991MiPal..37..407Z. doi:10.2307/1485913. JSTOR1485913.
Zippi, Pierre A. (1991). "SEM and Light Microscope Mounting and Specimen Location Technique for Same-Specimen Study of Palynological Strew Mounts". Micropaleontology. 37 (4): 407–13. Bibcode:1991MiPal..37..407Z. doi:10.2307/1485913. JSTOR1485913.
