Transactions of the Seventh International Congress of Hygiene and Demography. Volume VII
Transactions of the Seventh International Congress of Hygiene and Demography. Volume VII
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London, August 10th - 17th, 1891. Section VII: Engineering in Relation to Hygiene
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datePublished
1892-01-01
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ngQn5k66aRdC1BdJ6R8o8C7a
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Transactions of the Seventh International Congress of Hygiene and Demography. Volume VII