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