| GMD | Text |
| Classification | F 3201 N852 1988 |
| Publisher | Munich, JRO Kartografische Verlagsgesellschaft, 1988 |
| Subject | Air PollutionOzone layerWorld |
| Series | JRO topic map 88/2 |
| Description | 2 col. maps on sheet 84 x 118 cm fold. into 30 x 22 cm + explanatory text |