P.A. International Management Consultants, Ltd. Advanced Systems Division. · 1 obras en el catálogoObrasFForecast of users of on-line retrieval services for scientifForecast of users of on-line retrieval services for scientific and technical information in Europe, 1976-19851974
FForecast of users of on-line retrieval services for scientifForecast of users of on-line retrieval services for scientific and technical information in Europe, 1976-19851974