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[2] P. G. Katzev: Statistical Methods for Studying Cutting Tools. Mashinostroyenie, Moscow 1974. In Russian.

[3] V. Gh. Vodă: New Statistical Models in Durability Analysis. Academy Publ. House, Bucharest 1980. In Romanian. MR 0601387

[4] Al. C. Dorin, V. Gh. Vodă: Reliability of cutting tools. Quality and Metrology III (1973), 11, 651-655. In Romanian.

[5] R. E. Barlow, F. Proschan: Statistical Analysis of Reliability and Life Test Data. Holt, Rinehart and Winston, New York 1975. MR 0438625

[6] V. Gh. Vodă: "Inverse Rayleigh" distributed random variable. Rep. Stat. Appl. Res. (JUSE), Tokyo, vol. 19 (1972), no. 4, 13-21 and vol. 21 (1974), no. 1, 1-8. MR 0345287