Yang, Y., Kloczkowski, A., Mark, J.E., Erman, B., Bahar, İ., “A Novel Orientation Technique for Semirigid Polymers 1. Preparation of Cross Linked Cellulose Acetate and Hydroxypropylcellulose Films Having Permanent Anisotropy in the Swollen State”, Colloid and Polymer Science, 272, 3, 284-292, 1994.