A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
P. J. Hakonen, O. T. Ikkala, S. T. Islander. "Experiments on Vortices in Rotating SuperfluidHe3-A." Physical Review Letters 49.17 (1982) 1258-1261