* [https://cdn.preterhuman.net/texts/computing/cray/HR-0097_CRAY_X-MP_Series_Model_48_Mainframe_Ref_Man_Aug84.pdf CRAY X-MP Series Model 48 Mainframe Reference Manual HR-0097 (1984)] | * [https://cdn.preterhuman.net/texts/computing/cray/HR-0097_CRAY_X-MP_Series_Model_48_Mainframe_Ref_Man_Aug84.pdf CRAY X-MP Series Model 48 Mainframe Reference Manual HR-0097 (1984)] |