| K. Lowewenstein, "The Manufacturing Technology of Continuous Glass Fibers", (3d ed. 1993), pp. 30-44 47-60, 115, 122, 126-135, 165-172, 173, 177-180, 215-219, 237-291, 315. |
| Encylcopedia of Polymer Science and Technology, vol. 3 (1965), pp. 80-130; vol. 6 (1967), pp. 505-712. |
| Webster's New Collegiate Dictionary (1977), p. 232. |
| R. Lewis, Sr., Hawley's Condensed Chemical Dictionary, (12th Ed. 1993) p. 455. |
| Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 7 (1965) p. 676, vol., 9 (2dEd. 1966) pp. 847-884. |
| "ZRA2 Reaction Trolley", a Technical Bulletin (ZRA2-23) of Zimmerman International Corp. of Madison Heights, MI (Nov. 1994). |
| "End Truck Assembly", a Technical Bulletin (ZRA2-30) of Zimmerman International Corp. of Madison Heights, MI (Nov. 1994). |
| "ZRA2 Aluminum Rail", a Technical Bulletin (ZRA2-1) of Zimmerman International Corp. of Madison Heights, MI (Nov. 1994). |
| "Fiber Glass Spool Handling", a publication of Scaglia Italy. |