% command to generate 2-up versions:

pdf2ps TURBO_PMAC_USER_MANUAL.PDF temp1.ps
psnup -2 temp1.ps temp2.ps
ps2pdf temp2.ps TURBO_PMAC_USER_MANUAL_2up.pdf

pdf2ps ACC-28A.PDF temp1.ps
psnup -2 temp1.ps temp2.ps
ps2pdf temp2.ps ACC-28A_2up.pdf

pdf2ps ACC-51P.PDF temp1.ps
psnup -2 temp1.ps temp2.ps
ps2pdf temp2.ps ACC-51P_2up.pdf

pdf2ps ACC-8D.PDF temp1.ps
psnup -2 temp1.ps temp2.ps
ps2pdf temp2.ps ACC-8D_2up.pdf