462
Published 1984.

Report Number(s): APA 2626

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463
by Tobiasson, Wayne.
Published [1973]

Report Number(s): APA 959

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464
465
467
by Marrer, H.
Published 1980.

Report Number(s): SUS 214

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468
470
471
472
475
Published [1980]

Report Number(s): EPA-450/4-80-012 APA 2116

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