1. Character of the etching of the surface of Khibiny fluorapatite crystals and the formation of epitaxial coatings of calcium acid phosphates under the conditions of the manufacture of double superphosphate;Dorozhkin;Russ J Chem Ind,1992
2. Etching pits on edges of natural fluorapatite crystals;Dorozhkin;Scanning,1994
3. Transition from chemical etching to chemical polishing studied by the SEM;Dorozhkin;Scanning,1993
4. Chemical preparation of dielectrics for studying their microtopography by the SEM;Dorozhkin;Scanning,1992