IIIrd Prague International Symposium of Child Neurology : Prague-June 1975 : topics: hypotonia in early childhood, raised intracranial pressure of non tumorous origin, free communications / editors Vladimír Vlach, Ivan Lesný, Miloš Lehovský ; [foreword I. Lesný] .  Praha :  Univerzita Karlova,  1977 .  205 s.