| GMD | Text |
| Corporate Author | Brychta, Alex |
| Classification | F HUN |
| Publisher | Oxford, Oxford University Press, 1987 |
| Subject | English language - Readers - For schools.Readers -- 1950- |
| Series | Oxford reading tree.Stage 6Series of the International Society on Optics within Life Sciences, 6. |
| Description | 32 p. : col. ill. ; 22 cm. |