1. US Dept of Commerce Office of Technical Services, Manufacture of Superfine Organic Fibers.
2. Allen, M.A. and Fetcko, J.T. (1992) US Patent 5 145 689.
3. Tsai, P.T. and Wadsworth, L.C. (1995) US Patent 5 401 446.
4. Exxon Corporation (1994) Worldwide Meltblown Markets, November 1994.
5. Fagan, J.P. and Wadsworth, L.C. (1991) Meltblowing Process and Characteristics of Fluompolymers, Textiles and Nonwoven Development Center, University of Tennessee, February 1991.