1
2
Published [1982?]

Report Number(s): APA 69 APA 70 APA 71 APA 1266 APA 1267 APA 1268 SUS 37

Direct link to first volume (text of the main report).
LIst of volumes.
3
Published [1982]

Report Number(s): SUS 158

Link to full text
19
Published [1984]

Report Number(s): APA 2049 RTS 22 SUS 427

Link to full text
20
Published [1985]

Report Number(s): APA 2921 (draft) SUS 513

Link to full text