00428nam a2200169Ia 4500 658.40388 G779.SI Gray, John and Perry, Brian Scientific information London Oxford University Press 1975 62p. Science and Engineering policy series Perry, Brian ; jt. auth. 0 0 0 0 ISI ISI 1998-09-10 0 658.40388 G779.SI DP11886 2019-02-14 00:00:00 2019-02-14 BK 9959 9959 9959