(1988) Crystalline Morphology of Block Copoly(oxypropylene / oxyethylene / oxypropylene) by Small-Angle X-Ray and Raman Scattering. F.Viras, Yun-Zhu Luo, K.Viras, R.H.Mobbs, T.A.King, C.Booth. Macromol.Chem. 189, 459-469.