M. S. Longair.Theoretical concepts in physics:an alternative view of theoretical reasoning in physics for final-year undergraduates.Camgridge Univ. Pr.,1984.
British Steel Corporation. Physical Metallurgy Centre.Mechanics and mechanisms of crack growth (1973 : Cambridge):Proceedings of a Conference organised by the Physical Metallurgy Centre of the British Steel Corporation.[s. n.],1973.
Mechanics and mechanisms of crack growth (1973 : Cambridge):Proceedings of a Conference organised by the Physical Metallurgy Centre of the British Steel Corporation
British Steel Corporation. Physical Metallurgy Centre.[s. n.],1973.