1. Glauert AM (1975) Fixation, dehydration, and embedding of biological specimens. In: Practical methods in electron microscopy, vol 3, part I. North-Holland Publishing Company, Amsterdam
2. Malick LE, Wilson RB (1975) Evaluation of a modified technique for SEM examination of vertebrate-specimens without evaporated metal-layers. Proceedings of the Annual Scanning Electron Microscope Symposium, Chicago, USA. Chicago Press Corp, Chicago