{"source":"book","style":"apa","contributors": [{"function":"author","last":"Geisert","first":"Arthur"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Roman numerals I to MM = Numerabilia romana uno ad duo mila : liber de difficillimo computando numerum","publisher":"Houghton Mifflin","city":"Boston","year":"1996"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"33132030","isbn":"0395745195 9780395745199 0618153217 9780618153213 9780329250874 0758743386 9781413125634 9780756908089 0756908086 9780758743381 0329250876 1413125638 9780606225830 0606225838"}