need some papaer

1-Prasad, B. S. Y., The Performance Prediction of Multistream
Plate-Fin Heat Exchangers Based on Stacking
Pattern, Heat Transfer Eng., vol. 12, no. 4, pp. 58-70,
1991.
2-Prasad, B. S. Y., On Fin Efficiency and the Mechanisms
of Heat Transfer in Multi-stream Plate-Fin Heat Exchangers:
Formulation, Int. J. Heat Mass Transfer, vol.
39, no. 2, pp. 419-428, 1996.
3-Sunder, S., and Fox, Y. G., Multivariable Optimization
of Plate Fin Heat Exchangers, AIChE Symp. Ser. 295,
vol. 89, pp. 244-252, 1993.
4-Prasad, B. S. Y., and Gurukul, S. M. K. A, Differential
Methods for the Performance Prediction of Multi-stream
Plate-Fin Heat Exchangers, ASME J. Heat Transfer, vol.
114, pp. 41-49,1992.
5-Prasad, B. S. Y., and Gurukul, S. M. K. A, Differential
Method for Sizing Multistream Plate Fin Heat Exchangers,
Cryogenics, vol. 27, pp. 257-262, 1987.
thanks a lot

شماره 2 : Fin efficiency and mechanisms of heat
http://mihd.net/6f7xr5y