Hammer H. Colloid-Sem Method for Domain Structure Observation in Magnetic Tapes and Cards / H. Hammer, G.V. Kurlyandskaya // Trends in Magnetism: Euro-Asian Symposium (EASTMAG-2001) = Прогресс в магнетизме, Евро-Азиатский Симпозиум, February 27 - March 2, 2001 / Institute of Metal Physics of the Ural Division of the RAS. - Ekaterinburg, 2001. - P.6.