Usher, C., Pastrorello, N., Bellstedt, S., Alabi, A., Cerulo, P., Chevalier, L., Fraser-McKelvie, A., Penny, S., Foster, C., McDermind., R. M., Schiavon., R. P., Villaume., The WAGGS project - I. The WiFeS Atlas of Galactic Globular cluster Spectra, 2017, Monthly Notices of the Royal Astronomical Society, 468, 3828    2017MNRAS.468.3828U