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Pierre Janssen
ARP23A16_232

Pierre Janssen

Jules Pierre Cesar Janssen French astronomer
ARP07104_460001152

Jules Pierre Cesar Janssen French astronomer

Janssen and Lockyer, 1868. Pierre Jules Cesar Janssen (1824-1907), French astronomerand Joseph
ARP07105_460001697

Janssen and Lockyer, 1868. Pierre Jules Cesar Jans...