R:Base 4.0Accession Number : 2024.9.2Medium: SoftwareProduct Name: R:Base 4.0Model: 4.0Developer: Wayne EricksonPublisher: MicroRim, Inc.Year: 1992Identifying Number: RB0400TU13DCompatibility: IBMAccession Number: 2024.9.2Printed MatterSoftwareHardwareAudio-Visual