@article {2023arXiv230305717Z,
	title = {The effective volume of supernovae samples and sample variance},
	journal = {arXiv e-prints},
	year = {2023},
	month = {mar},
	pages = {arXiv:2303.05717},
	keywords = {Astrophysics - Cosmology and Nongalactic Astrophysics},
	doi = {10.48550/arXiv.2303.05717},
	author = {Zhai, Zhongxu and Percival, Will J.}
}