Isaac Asimov, Asimov's biographical encyclopedia of science and technology : the lives and achievements of 1510 great scientists from ancient times to the present chronologically arranged, 2ª ed., New York, Doubleday, 1982, p. 95, ISBN 0-385-17771-2, OCLC 7812956.
«[...] in 1586 he [Stevinus] performed the key esperiment of dropping two different weights simultaneously and observed that they struck the ground at the same time - the experiment that seems indissolubly, if incorrectly, wedded to the name of his younger contemporary Galileo»