HYDER, M. J., and D. A. WOODFORD. “?DEVELOPMENT OF BIMETAL TEST SPECIMEN FOR TESTING MATERIALS AT HIGH HOMOLOGOUS TEMPERATURE”. Biological Sciences - PJSIR, vol. 38, no. 7, Aug. 1995, pp. 241-5, https://v2.pjsir.org/index.php/biological-sciences/article/view/2485.