| 000 | 00366 a2200133 4500 | ||
|---|---|---|---|
| 041 | _aEnglish | ||
| 082 |
_a500 _bSCI |
||
| 245 | _aScientific and technical societies of the United States and Canada | ||
| 250 | _a7th | ||
| 260 |
_c1961 _aWashington _bNational Academy of Science _g1961 |
||
| 300 | _a413p. | ||
| 650 | _aNatural Science and mathematics | ||
| 942 | _cPRB | ||
| 999 |
_c50915 _d50915 |
||