Ed Nell, who shared his signed copy of PCMC The whole Zoominar can be watched at the Review of Keynesian Economics' (ROKE) Facebook page here. It starts early with the live-stream, you can jump to minute 49 or so and watch from the onward.
Matias Vernengo considers the following as important: Nell, Palumbo, Production of Commodities, ROKE, Serrano, Sraffa
This could be interesting, too:
Matias Vernengo writes Production of Commodities at 60
Matias Vernengo writes Autonomous demand, capacity utilization, and the supermultiplier
Matias Vernengo writes 60 Years of Sraffa’s Production of Commodities by Means of Commodities/ROKE Webinar
Matias Vernengo writes Di Bucchianico on Krugman and the Liquidity Trap