3
4
6
7
Published [1984]

Report Number(s): APA 1027

Link to full text
8
Published [1983]

Report Number(s): APA 467

Link to full text
9
by Crow, Robert.
Published 1980.

Report Number(s): APA 598 APA 1517

Link to full text
10
Published [1983]

Report Number(s): SUS 237

Link to full text
12
13
by Jacobsen, J. J.
Published [1981]

Report Number(s): APA 568 (draft)

Link to full text
14
by Jacobsen, J. J.
Published [1982]

Report Number(s): APA 568 SUS 94

Link to full text
15
16