K. A. El-Farahaty

Study of Optical and Structure Properties of Polyester (PET) and Copolyester (PETG) Fibers by Interferometry

A. M. Sadik, K. El-Farahaty, A. Hezma, 2007 .

Determination of the intrinsic birefringence of polymeric fibres

T.Z.N. Sokkar, H. M. El-Dessouky, T. Sokkar, 2004 .