Conjunt de dades Grups Flux d'activitat Flux d'activitat jcigar ha modificat el conjunt de dades Ornithological observations in the southeast of the North Sea between June 1971 and January 1972 fa 9 mesos | View this version | Canvis jcigar ha creat el conjunt de dades Ornithological observations in the southeast of the North Sea between June 1971 and January 1972 fa 9 mesos | View this version
jcigar ha modificat el conjunt de dades Ornithological observations in the southeast of the North Sea between June 1971 and January 1972
