1. Read: Weitz, Ch. 35.
Supplemental:
A critique of Weitz:
https://www.jstor.org/stable/pdf/4318314.pdf?refreqid=excelsior%3A0cc4506bd7d495e892c81c099b8d2455
A critique of Weitz:
https://www.jstor.org/stable/pdf/4318314.pdf?refreqid=excelsior%3A0cc4506bd7d495e892c81c099b8d2455