00375cam a2200121 a 450000500170000002000150001710000240003224500420005626000490009830000260014750000660017365000140023920260128043105.0  a19328460501 aBeveridge, W. I. B.14aThe art of scientific investigation /  aCaldwell, N.J. :bBlackburn Press,c[c2005?]  axii, 178 p. :bill. ;  aOriginally published: Rev. ed. New York : W.W. Norton, c1957. 0aResearch.