# Investigations on optimal discharge pressure in CO2 heat pumps using the GMDH and PSO-BP type neural network—Part A: Theoretical modeling

> Research article (International Journal of Refrigeration, 2019) · cited 41× · AI/ML

**Wikidata**: [openalex:W2942631436](https://www.wikidata.org/wiki/openalex:W2942631436)  
**Source**: https://4ort.xyz/entity/investigations-on-optimal-discharge-pressure-in-co2-heat-pumps-using-the-gmdh-and-pso-bp-type-neural-networkpart-a-theor