519.6 Bee I <a id="rdfa" resource="" property="dc:creator" href="http://viaf.org/viaf/16233593" target="_new">Bers , Yardley</a> La introduction to the theory of error . Readng ., Mas ., Addison - w esley Pub. [ e 1957] 66 p. ilus . 23 cm '''References '' p. 66 <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0100215" property = "oa:link" href="http://www.worldcat.org/oclc/557726893">WorldCat</a>