| 000 | 00443nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 171212s9999 xx 000 0 und d | ||
| 100 | _aEusebi, Christopher A.;Silberglitt, Richard | ||
| 245 |
_cEusebi, Christopher A.;Silberglitt, Richard _aIdentification and Analysis of Technology Emergence Using Patent Classification |
||
| 260 |
_bRAND Corporation _c2014 |
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| 650 | _aMathematics | ||
| 856 | _uhttp://www.jstor.org/stable/10.7249/j.ctt14bs2mh | ||
| 999 |
_c352166 _d352166 |
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