1. N. J. Zaluzec, J. B. Woodhouse and H. L. Fraser, preceding paper.
2. Proc. 34th Ann. Conf. of EMSA;Bentley,1976
3. Proc. 33rd Ann. Conf. of EMSA;Fraser,1975
4. Proc. 34th Ann. Conf. of EMSA;Zaluzec,1976
5. A note on the increase in usable foil thickness in scanning transmission electron microscopy