ISBN-13: 9780521232999 / Angielski / Miękka / 2011 / 404 str.
ISBN-13: 9780521232999 / Angielski / Miękka / 2011 / 404 str.
This 1914 volume responds rising concerns regarding the role of the house-fly in the dissemination of infectious diseases, and its relationship to unhygienic conditions.