Publication Details (including relevant citation information): •"Experimental verification of agreement between thermal and real time visual melt-solid interface position in vertical Bridgman grown germanium" by P.G. Barber, A.L. Fripp, W.J. Debnam, G. Woodell, R.F. Berry, and R.T. Simchick in Journal of Crystal Growth 160 (1996) 55-58.