1. Gaston , P. 1859 The Storage of Electrical Energy http://www.archive.org/details/storageofelectri031249mbp
2. DOE 1995 Primer on lead-acid storage battery, DOE handbook, DOE-HDBK-1084-95 http://www.hss.energy.gov/nuclearsafety/ns/techstds/standard/hdbk1084/hdbk1084.pdf
3. http://www.engineersedge.com/battery/negative_positive_plate_construction.htm
4. University of Cambridge 2005 DoITPoMS Teaching and Learning Packages http://www.doitpoms.ac.uk/tlplib/batteries/index.php
5. Micro-hybrid electric vehicle application of valve-regulated lead–acid batteries in absorbent glass mat technology: Testing a partial-state-of-charge operation strategy