1. Nonionic wetting agents
2. Fatty acids in industry;Reck,1989
3. Polyvinyl butyral plasticized with tetraethyleneglycol di-n-heptanoate;Phillips,1980
4. Storage stable photopolymerisable composition and element for refractive index imaging;Smothers,1991
5. Non-ionic surfactant chemical analysis;Garti,1988