| 000 | 00351nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 022 | _a0028-0836 | ||
| 040 | _aCNCLSA | ||
| 245 | 0 |
_aNature _bInternational Journal Of Science |
|
| 260 |
_c6 September, 1990 _bMacmillan Journal Limited _aU. S. A |
||
| 300 | _aP.1-786 | ||
| 300 | _bV.347 | ||
| 942 | _cJRBV | ||
| 999 |
_c21844 _d21844 |
||