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by Ballard, Warren B.
Published 1979.

Report Number(s): APA 3137

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5
by Ballard, Warren B.
Published [1982]
...Ballard, Warren B....

Report Number(s): APA 2690

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6
by Ballard, Warren B.
Published [1980]

Report Number(s): APA 524 APA 947

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7
by Ballard, Warren B.
Published [1981]

Report Number(s): APA 2691

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8
by Ballard, Warren B.,
Published 1978.

Report Number(s): APA 917

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11
by Whitman, Jackson S.,
Published [1983]
...Ballard, Warren B....

Report Number(s): APA 417

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12
by Whitman, Jackson S.,
Published [1984]
...Ballard, Warren B....

Report Number(s): APA 2326

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18
...Ballard, Warren B....

Report Number(s): APA 2271

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19
by Steigers, William D.,
Published [1985]
...Ballard, Warren B....

Report Number(s): APA 3385

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20
by Spraker, Ted H.
Published February 1981
...Ballard, Warren B....

Report Number(s): APA 3148

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