Bibliography Details

Mesics, Sandy. “Paul Shenkle at the Helm in 1969.” The Observer (Lehigh Valley Amateur Astronomical Society), January 2019. https://lvaas.org/observer/The_Observer_January_2019.pdf.

The following is a complete listing of all citations using this source:

Chapter 4. The Steady Years

• Citation No. 1
• Citation No. 2