| 000 | 00459nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230621b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a614.65:545.9(47+57) _bL5 |
||
| 245 |
_aMethods used in the USSR for establishing biologically safe levels of toxic substances _c/ WHO |
||
| 260 |
_aGeneva: _bWHO, _c1975 |
||
| 300 | _a171p. | ||
| 650 | _aBiology | ||
| 653 | _aSafe | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c45639 _d45639 |
||