| * | 1997 | |
|---|---|---|
| 1 | EE | Dan Drake, Thomas Simpson, Larry Smithmier, Penny Rheingans: Determination of unknown particle charges in a thunder cloud based upon detected electric field vectors. IEEE Visualization 1997: 479-482 |
| 1 | Dan Drake | [1] |
| 2 | Penny Rheingans | [1] |
| 3 | Thomas Simpson | [1] |