ISBN-13: 9781515033400 / Angielski / Miękka / 2015 / 130 str.
ISBN-13: 9781515033400 / Angielski / Miękka / 2015 / 130 str.
-Science and Hypothesis- from Henri Poincare. French mathematician, theoretical physicist, engineer, and a philosopher of science (1854-1912).