References
- Chrenko , R. M. , Strong , H. M. and Tuft , R. E. 1971 . Phil. Mag. , 23 : 313
- Collins , A. T. 1989 . J. Phys. condens. Matter , 1 : 439
- Collins , A. T. and Rafique , S. 1979 . Proc. R. Soc. Lond. , A367 : 81
- Dyer , H. B. and Du Preez , L. 1967 . Science and Technology of Industrial Diamonds , Edited by: Burls , J. Vol. 1 , 23 – 6 . London : Industrial Diamond Information Bureau .
- Muncke , G. 1979 . The Properties of Diamond , Edited by: Field , J. E. London : Academic . chap. 15
- Shigley , J. E. , Fritsch , E. , Stockton , C. M. , Koivula , J. I. , Fryer , C. W. , Kane , R. E. , Hargett , D. R. and Welch , C. W. 1987 . Gems Gemology , 23 : 187