@Book{BVMC:754070,
author = {Herrick, Robert},
title = {Herrick's Hesperides and Noble numbers},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017},
year = {2017},
url = {https://www.cervantesvirtual.com/obra/herricks-hesperides-and-noble-numbers}
}