1. 1) Boeing Document T6-2406, D6-24926
2. 2) Douglas Document TER-32790
3. 3) ISO 4042 (Threaded Components-Electroplated Coatings-1989
4. 7) J.Crank : The Mathematics of Diffusion (Second Edition), Oxford University Press, (1975) 273.
5. 8) H.S.Carslaw and J.C.Jaeger : Conduction of Heat in Solids (Second Edition), The Clarendon Press 199.