744 Bar T <a id="rdfa" resource="" property="dc:creator" href="http://viaf.org/viaf/93637152" target="_new">Barnfield, G R</a> Technical drawin [by] G.R. Barnfield [and] Y. Male. Prepared under the editorship of E. G. Sterland. London, English Universities Press [c1964] t. diagrs. 22 cm La Biblioteca solo tiene t.2