title: Quantification in science and cognition circa 1937.  A newly discovered text of Ludwik Fleck.
authors.forename: I
authors.initials: I
authors.lastname: Löwy
mesh_terms: D000486:Allergy and Immunology / Q000266:history*; D049711:History, Modern 1601-; D010684:Philosophy / Q000266:history*; D011044:Poland; D012586:Science / Q000266:history*