| Year | 1967 |
|---|---|
| Journal | Scientific American |
| Volume | 217 |
| Number | 1-5 |
| Pages | 72-80 |
| Type | article in journal |
| Language | English |
| Id | 7562 |
Last change: 22.8.2021
| Year | 1967 |
|---|---|
| Journal | Scientific American |
| Volume | 217 |
| Number | 1-5 |
| Pages | 72-80 |
| Type | article in journal |
| Language | English |
| Id | 7562 |