Modular converter system for low-cost off-grid energy storage using second life li-ion batteries. - Christoph R. Birkl; Damien F. Frost; Adrien M. Bizeray; Robert R. Richardson; David A. Howey (GHTC, 2014)

Gaussian Process Regression for In Situ Capacity Estimation of Lithium-Ion Batteries. - Robert R. Richardson; Christoph R. Birkl; Michael A. Osborne; David A. Howey (IEEE Trans. Ind. Informatics, 2019)