2
Published [1985]

Report Number(s): SUS 495

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6
11
16
17
18
Published [1982]

Report Number(s): APA 421 APA 1321 SUS 55

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20
by Joyce, M. R.
Published 1980.

Report Number(s): FWS/OBS-80/09 APA 2989 APA 3260 SUS 10034

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