Contents of this chapter:
15.1. P
15.2. PARALLEL-DESIGNS
15.3. PHONE
15.4. POSITION
15.5. PRIVATE-CODE
15.6. PRIVATE-CODES
15.7. PRM
15.8. PRM-CHAR
15.9. PRMS
15.10. PROJECT-SCHEDULE
15.11. PROTOCOLS
15.12. PUBLISHER
15.13. PURCHASING-COND