Kadesh, Robert R.
The crazy cantilever and other science experiments/ Robert R.Kadesh. - New york: Harper& row, 1964c. - 175p: ill; 24cm.
500.2
The crazy cantilever and other science experiments/ Robert R.Kadesh. - New york: Harper& row, 1964c. - 175p: ill; 24cm.
500.2
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