For citations:
Artiukhina N.K., Mitskevich E.P. POST-FOCAL AND PRE-FOCAL TWO MIRROR SYSTEMS. Science & Technique. 2008;(5):47-50. (In Russ.)
Artiukhina N.K., Mitskevich E.P. POST-FOCAL AND PRE-FOCAL TWO MIRROR SYSTEMS. Science & Technique. 2008;(5):47-50. (In Russ.)