1. L. BRUNI and P. IGUERA,Automotive Engng 3 (1978) 29.
2. B. C. PAI, P. K. ROHATGI and S. VENKATESH,Wear 30 (1974) 117.
3. F. A. BADIA and P. K. ROHATGI,Trans. ASME 77 (1969) 1200.
4. P. K. ROHATGI and B. C. PAI, ibid.101 (1978) 376.
5. B. C. PAI and P. K. ROHATGI,Trans. Indian Inst. Metals 27 (1978) 97.