| 000 | 00456nam a22000857a 4500 | ||
|---|---|---|---|
| 008 | 221114s1969 us ||||| |||| 00| 0 eng d | ||
| 100 |
_aKrieghbaum, Hillier _9249712 |
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| 245 |
_aAn investment in knowledge; the first dozen years of the National Science Foundation's summer institutes programs to improve secondary school science and mathematics teaching, 1954-1965 / _cHillier Krieghbaum; Hugh Rawson. |
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| 264 |
_aNew York : _bNew York University Press, _c1969. |
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| 999 |
_c628288 _d628286 |
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