Observed child restraint use in automobiles. 1976.
Williams
A F
AF
D000328:Adult; D001336:Automobiles / Q000266:history*; D002648:Child; D049673:History, 20th Century; D006801:Humans; D012449:Safety / Q000266:history; D012622:Seat Belts / Q000266:history*; D014481:United States