@article{182996, author = {Geisert, Arthur.}, url = {http://library.usi.edu/record/182996}, title = {Roman numerals I to MM = Numerabilia romana uno ad duo mila : liber de difficillimo computando numerum /}, publisher = {Houghton Mifflin,}, abstract = {Introduces Roman numerals, and by counting pigs in the illustrations the reader can reinforce the mathematical concept.}, recid = {182996}, pages = {xxxii p. :}, address = {Boston :}, year = {1996}, }