A phase diagram of the cobalt-boron system used in metallurgy.
Nikolai Tchizhevsky
A phase diagram of the cobalt-boron system used in metallugy. From the paper by Nikolai Tchizhevsky, soviet metallurgist, published in 1950 (Nikolai Tchizhevsky. Collected works, vol 1, 1958, p.232, in Russian).