[On the 60th birthday of Professor Sh. G. Khachidze].
D005846:Georgia (Republic); D049673:History, 20th Century; D014871:Water Microbiology / Q000266:history; D014876:Water Pollution / Q000266:history; D014881:Water Supply / Q000266:history
K 60-letiiu so dnia rozhdeniia Professora Sh. G. Khachidze.