National Instr 320719-01 1993 AT-GPIB/TNT + NI-488.2 Getting Started Manual.

National Instr 320284-01 1991 AT-GPIB & NI-488.2 MS DOS Getting Started Manual.

National Instruments GPIB NI-488.2 User Manual For Windows 32701B-01 Aug 1994

National Instruments 321038G-01 1999 NI-488.2 Function Reference Manual.

National Instruments 321819D-01 1999 NI-488.2 Windows User Manual.

National Instruments 320700-01 1994 GPIB NI-488.2 User Manual for DOS.

NI National Instruments GPIB NI-488.2M Function Reference Manual Win32 321038C-0

National Instruments 320702-01 1994 NI-488.2 Function Reference Manual.