RELATIVISTIC PHASE AUTOFOCUSING OF ELECTRONS IN THE HF-SUPPLEMENTED MAGNETIC MIRROR AT ECR Article Golovanivsky K.S. Physics Letters, Section A: General, Atomic and Solid State Physics. Vol. 44. 1973. P. 190-192
MALIGNANT NEOPLASMS OF THE NASOPHARYNX IN TUNISIA (RUSSIAN) Article Naumov G.P. Vestnik Oto-Rino-Laringologii. Vol. 35. 1973. P. 84-87