@Misc{BVMC:1002150,
author = {Wolff, Christian, Freiherr von},
title = {Christiani Wolfii ... Elementa matheseos uniuersae : Tomus tertius, qui opticam, perspectiuam, catoptricam, dioptricam, sphaerica & trigonometriam sphaericam, atque astronomiam, tam sphaericam quam theoricam complectitur},
url = {https://www.cervantesvirtual.com/obra/christiani-wolfii-elementa-matheseos-uniuersae-tomus-tertius-qui-opticam-perspectiuam-catoptricam-dioptricam-sphaerica-trigonometriam-sphaericam-atque-astronomiam-tam-sphaericam-1002150}
}