Boundaries of critical state stability of Nb3Al hard superconductor in N-T plane - V. V. Chabanenko; S. V. Vasilev; A. Nabiałek; A. S. Shishmakova; F. Perez-Rodriguez; V. F. Rusakov; A. Szewczyk; B. N. Kodess; M. Gutowska; J. Wieckowski (Low Temperature Physics, 2013)