ZhETF, Vol. 52,
p. 891 (October 1967)
(English translation - JETP,
The issue content is only available in english translation.
Measurement of the Anisotropy of the Energy Gap in Superconducting Indium by an Ultrasonic Method
V.D. Fil', O.A. Shevchenko, P.A. Bezuglyi
Received: December 1, 1966