Rossmy, G., H. J. Kollmeir, W Lidy, H. Schator and M. Wiemann.1981. "Mechanism of the Stabilization of Flexible Polyether Polyurethane Foams by Silicone-Based Surfactants," J. Cell. Plast. (Nov.-Dec.).
2.
Zellmer, V., G. Burkhart and H. H. Schloens.1989. "New Aspects in the Production of Soft Flexible Polyurethane Foams without Auxiliary Blowing Agents," presented to PFA (October).