3
Published [1986]

Report Number(s): APA 3414

Link to full text
5
by Chapman, David L. 1930-
Published [1982]

Report Number(s): APA 205 APA 2505

Link to full text
8
9
by Schallock, Eldor W.
Published 1974.

Report Number(s): EPA-660/3-74-008 APA 1922

Link to full text
Link to full text
10
by Canter, Larry W.
Published c1985.

Report Number(s): APA 3069

Link to full text