1. RB 211, the first eighteen months operating experience;Wilkinson;Tech. Air,1973
2. A bend method for measuring fatigue crack propagation in thick materials;Pearson;RAE Tech. Rep. 66204,1966
3. Measurement of the length of a central or edge crack in a sheet of metal by an electrical resistance method;Gilbey;RAE Tech. Rep. 66402,1966
4. The hydrogen embrittlement of titanium aloys;Williams;JIM,1962