1. Intermetallic compounds;Wolff,2002
2. Intermetallic compounds;Datta,2002
3. Clarke RL. US patent No. 4,447,538; Oct. 16, 1984.
4. Rickerby DS, White DK, Bell SR. US patent No. 5,763,107; June 09, 1998.
5. Rickerby DS, White DK, Bell SR. US patent No. 5,645,893; July 07, 1997.