1. M. Shiomi, Advanced technology for high reliability VRLA batteries, in: Proceedings of the 112th International Battery Council Convention, Las Vegas, NV, USA, 7 May 2001.
2. Battery Council International, Recommended Battery Materials Specifications—Valve-Regulated Recombinant Batteries, Sections II34-1 to II34-4.
3. US Patent 5,076,826, Gary Teeter, Apparatus and Method for Making Glass Fibres, 1991.