| 000 | 00351nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 022 | _a0028-0836 | ||
| 040 | _aCNCLSA | ||
| 245 | 0 |
_aNature _bInternational Weekly Journal of Science |
|
| 260 |
_cMay 3, 1990 _bMacmillan Magazines Ltd _aLondon |
||
| 300 | _aP. 1-848 | ||
| 300 | _bV. 343 | ||
| 942 | _cJRBV | ||
| 999 |
_c18727 _d18727 |
||