122 BEGINNING OF THE MINICOMPUTER
Newell . This chapter includes some use of ISP and PMS notation, and readers who are unfamiliar with these notations are advised to study Bell and Newell, read Appendices 1 and 2, or scan this chapter lightly.
Although the reviewers of Part II are credited elsewhere, Wes Clark and Dan Siewiorek deserve special thanks. Wes reviewed the draft for historical content and contributed various early memos and technical reports, and Dan did a great deal of work revising and clarifying the PDP-8 hierarchical description.