Han eller hun i akvariet - Hvordan man ser forskel på han og hun
| Format | Soft cover |
| Language | Danish |
| This Impression | 1983 |
| Text Editor | Jens-Erik Jensen |
| Translated by | Jesper Langer |
| Illustrator | Stanislav Frank |
| Publisher | Forlaget Komma, Landbuch-Verlag GmbH |
| Editor | Lisbeth Andersen |
| Assistant Editor | Jens-Erik Kjeldsen |
| Photography | Stanislav Frank, Rudolf Zukal |
| Cover/Jacket Font by | Kjeld Brandt |
| Typeset by | ABK-Sats Aps |
| Printed by | Th. Laursen Bogtrykkeri A/S |
| About/Subject | Aquarium |
| Format | Soft cover |
| Language | Danish |
| This Impression | 1983 |
| Pages / Font | 86 pages |
| ISBN | 87-7512-103-4 |
Added by moelhauge