@article{philcox2020rascalc, title={rascalc: a jackknife approach to estimating single-and multitracer galaxy covariance matrices}, author={Philcox, Oliver HE and Eisenstein, Daniel J and O’Connell, Ross and Wiegand, Alexander}, journal={Monthly Notices of the Royal Astronomical Society}, volume={491}, number={3}, pages={3290--3317}, year={2020}, publisher={Oxford University Press} }