I 651.8 Arn M Arnold, Robert R Moderm data processing [by] Robert R. ArnoId, Harold C. Hill [and] Aylmer V. Nichols. New York, J. Wiley [cl969] xvi, 374 p. ilus., tablas. 25 cm. <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0060198" property = "oa:link" href="http://www.worldcat.org/oclc/977478462 ">WorldCat</a>