Period and period change measurements for 143 SuperWASP eclipsing binary candidates near the short-period limit and discovery of a doubly eclipsing quadruple systemM. E. Lohr, A. J. Norton, U. C. Kolb, P. F. L. Maxted, I. Todd and R. G. WestA&A, 549 (2013) A86DOI: https://doi.org/10.1051/0004-6361/201220562