The Vretene was a measure of area in Dalmatia at the time of the Austrian administration.
- around Makarska 1 Vretene = 200 pertiche squares = 8.706 ares
- around Almissa 1 Vretene = 144 roshe squares = 8.532 ares
- in Trau 1 Vretene = 144 Rosche / Rosghe squares = 773.882 square meters
- Christian Noback , Friedrich Eduard Noback : Complete paperback of the coin, measure and weight relationships. Volume 2, FA Brockhaus, Leipzig 1851, p. 990.
- Gustav Wagner, Friedrich Anton Strackerjan: Compendium of the coin, measure, weight and exchange rate relationships of all states and trading cities on earth. Publishing house Teubner, Leipzig 1855, p. 105 f.
- Karl Rumler: Overview of the measures, weights and currencies of the most excellent states. Verlag Jasper, Hügel u. Manz, Vienna 1849, p. 39
- Johann Joseph Prechtl: Yearbooks of the Imperial Royal Polytechnic Institute in Vienna. Volume 17, Carl Gerold, Vienna 1832.