1
Published [1980?]

Report Number(s): APA 4046

Link to full text
4
5
Published 1978.

Report Number(s): APA 1613 RTS 4 SUS 35 SUS 10004 SUS 10005

Link to full text
13
Published [1981]

Report Number(s): APA 324 APA 1311 RTS 7 SUS 24

Link to full text
14
Published [1982]

Report Number(s): APA 320 APA 403 APA 1313 APA 1314 RTS 13 SUS 22

Link to full text
17
19
20