Popular science (New York : Times Mirror Magazine, 1872)
UKP: v.259(1998), v.260(1999), v.261(2000), v.262(2001), 263(v.2002), v.264(2003), 265(2004), v.266(2005), v.267(2005), v.268(2006) +
PPUKM: Langgan sehingga Disember 2017
Keywords: Science -- Periodicals; Technology -- Periodicals