1141
1142
1143
1144
1147
1148
by Davis, Jeffrey C.
Published [2002]

Report Number(s): APA 4135

Link to full text
1150
by Ballard, Warren B.,
Published 1978.

Report Number(s): APA 917

Link to full text
1151
1152
1154
by Ballard, Warren B.
Published [1980]

Report Number(s): APA 524 APA 947

Link to full text
1155