2625096 ECSI Ethological Coding System for Interviews 4 2625094 ECSI Energy Conservation Strategies Inventory 2 2625095 ECSI European Consumer Satisfaction Index model 2 2625091 ECSI extracellular space index 2 2625097 ECSI ecological source index 1 2625090 ECSI ecosystem carbon sink 1 2625092 ECSI endovascular covered stent implantation 1 2625098 ECSI European Customer Satisfaction Index 1 2625093 ECSI resources-energy, conductance, storage, and information 1