Villagrana, Robert E.

Monograph from CaltechAUTHORS

• Horgen, H. M. and Villagrana, R. E., el al. (1970) Computer Enhancement of High Resolution Electron Micrographs Containing Weak Periodic Information
• Horgen, H. M. and Villagrana, R. E., el al. (1969) Computer Enhancement of Weak-Beam Images