(1)
Chinn, I. L.; Gurney, J. J.; Milledge, H. J.; Taylor, W. R.; Woods, P. A. Cathodoluminescence of CO2-Bearing and CO2-Free Diamonds from the George Creek K1 Kimberlite Dyke, Colorado-Wyoming State Line District. IKC abstracts 1995, 6, 116-117.