All programs used for analyses were written in Pascal (Jensen and Wirth, 1978; Schneider et al., 1982, 1984). The major programs used were:
NameVersion Purpose
CalHnb 2.15
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Rseq 4.46
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RsGra 2.45
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Most work was performed on a CDC Cyber 170/720 computer. Figures were generated on a CDC 280/284 microfilm recorder.