title: [Construction of descriptor information-retrieval systems on punched cards for community health studies].
mesh_terms: D007256:Information Systems; D011634:Public Health; D011676:Punched-Card Systems; D014586:USSR
vernacular_title: O postroenii deskriptornykh informatsionno-poiskovykh sistem na perforkartakh dlia kommunal'no-gigienicheskikh issledovaniĭ.