data and tables (under fair use of unlcensed work) from
Abramowitz, Milton & Stegun, Irene A. 
Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables 
https://digital.library.unt.edu/ark:/67531/metadc40301/

table 16.1: pages 582-583
table 17.1: pages 608-609
table 17.2: pages 610-611
