1
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.
2
4
Published [1981]

Report Number(s): APA 58 APA 64 SUS 42

Link to full text
5
Published [1981]

Report Number(s): APA 1271

Link to full text