Metallurgy of molybdenum, niobium, and molybdenum-niobium alloys : a literature search /

"TID-3572."

The self-diffusion of Niobium.

Report year runs ends June 30.

High temperature oxidation and nitridation of niobium in ultrahigh vacuum : final report, covering the period July 1, 1963 to October 31, 1964 /

"Stanford Research Institute, Menlo Park, California."

Reaction of nitrogen with niobium /

Contract No. W-7405-eng-92 with the U.S. Atomic Energy Commission.

The mineral industry of the British Empire and foreign countries. Tantalum and niobium.

Mode of access: Internet.