Gen Lib Ec Rus !link! Online

Russian library economics placed a heavy emphasis on spatial and physical metrics. A major feature of the curriculum in Russian LIS is the economic optimization of physical space—calculating the maximum number of volumes and readers a building can sustain relative to construction and maintenance costs. This contrasts with the modern Western shift toward digital-first economics.

However, without more information about the specific medication or context, I couldn't find any reliable sources confirming a widely recognized meaning of "Gen Lib EC RUS" as a medical term. gen lib ec rus