| 000 | 00404nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230721b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aPublications of the national research council of Canada | ||
| 250 | _a2nd ed. | ||
| 260 |
_aCanada: _bPublic Relation Branch, _c1947 |
||
| 300 | _a132p. | ||
| 650 | _aPublications | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c54003 _d54003 |
||