2021 newsletter directory

Newsletter of PEGE in the year 2021

<< Newsletter 2020             Archiv

2021-02-21: Texas snowstorm
2021-03-21: Rethinking Cities Conference
2021-12-05: Dynamics of goals and decisions
2021-12-12: Making the air-source heat pump fit for purpose with 3 new patents
2021-12-19: Disruption at houses

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