00438nam a2200157 i 450000100060000000300090000600500170001500700030003200800410003510000180007624500640009426000440015830000450020265000120024785200210025980068ES-MaACL20230906174124.0t|041026s1914    xxkaf        |||| | eng d1 aHewitt, C. G.10aHouse-flies and how they spread disease / cby C.G. Hewitt.  aCambridge : bUniversity Press, c1914.  aXII, 122 p., 1 lám. : bil. ; c17 cm. 4aMoscas.  aES-MaACLjD-3252