| Original language | English |
|---|---|
| Pages (from-to) | 669-672 |
| Number of pages | 4 |
| Journal | Lettere Al Nuovo Cimento Series 2 |
| Volume | 23 |
| Issue number | 18 |
| DOIs | |
| Publication status | Published - 12-1978 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy