The hearing of school children, a statistical study of audio-metric and clinical reports,
Ciocco, Antonio, 1908-
The hearing of school children, a statistical study of audio-metric and clinical reports, - Washington, D.C., Society for research in child development, National research council, 1941. - v, 77 p. incl. tables, diagrs. 23 cm.
e 42000289
Hearing.
Deafness.
School children.
LB1103 / .S6 vol. 6, no. 3
The hearing of school children, a statistical study of audio-metric and clinical reports, - Washington, D.C., Society for research in child development, National research council, 1941. - v, 77 p. incl. tables, diagrs. 23 cm.
e 42000289
Hearing.
Deafness.
School children.
LB1103 / .S6 vol. 6, no. 3