RT Journal Article SR Electronic T1 Scientific Superpower Status Remains Elusive JF Science JO Science FD American Association for the Advancement of Science SP 477 OP 477 DO 10.1126/science.256.5056.477 VO 256 IS 5056 A1 Aldhous, Peter YR 1992 UL http://science.sciencemag.org/content/256/5056/477.abstract AB