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- 72202857 contributor B2138952.
- 72202857 contributor B2138953.
- 72202857 created "1957.".
- 72202857 date "1957".
- 72202857 date "1957.".
- 72202857 dateCopyrighted "1957.".
- 72202857 extent "20 p.".
- 72202857 issued "1957".
- 72202857 issued "1957.".
- 72202857 language "eng".
- 72202857 publisher "Washington, U.S. Dept. of Commerce,".
- 72202857 subject "BF723.P8 U5".
- 72202857 subject "Problem solving in children.".
- 72202857 title "Behavior of young children under simulated refrigerator entrapment; a study of children's reaction to, and ability to use, mechanical devices provided for their safety. Prepared by Children's Bureau and National Bureau of Standards with the cooperation of National Electrical Manufacturers Association.".
- 72202857 type "text".