1. Silicon compounds in biological systems;Allison,1968
2. SAS procedure GLM;Barr,1976
3. Silicon: an essential element for the chick;Carlisle;Science, N.Y.,1972
4. Urinary excretion of silicon and the production of siliceous urinary calculi in rats;Emerick;Am. J. vet. Res.,1963
5. Nonparametric Statistical Inference;Gibbons,1971