adv math p.61 Ubi li...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/29246 <http://www.w3.org/nl/lemon/frac#Attestation>
adv math p.61 Ubi li...
adv math p.61 Ubi lineae immobilem unum punctum alter circumfluit aequidistanter.