1. Kern, D. Q., and Kraus, A. D. , 1972,Extended Surface Heat Transfer, McGraw-Hill, New York, Chap. 2.
2. Sixty-Five Years of Extended Surface Technology (1922–1987)
3. Eckert, E. R. G., and Drake, R. M., Jr. , 1972,Analyses of Heat and Mass Transfer, McGraw-Hill, New York, Chaps. 3 and 9.