PT - JOURNAL ARTICLE AU - Mark Adelson TI - Introduction AID - 10.3905/pa.2017.5.2.intro DP - 2017 Oct 31 TA - Practical Applications PG - 1--1 VI - 5 IP - 2 4099 - https://pm-research.com/content/5/2/1.13.short 4100 - https://pm-research.com/content/5/2/1.13.full