discoveryPeriod

URI: https://gptkb.org/prop/discoveryPeriod
5 triples
GPTKB property
Random triples
Subject Object
gptkb:Actinide late 19th to 20th century
gptkb:lanthanide_elements gptkb:19th_century
gptkb:Vitamin_L 1930s
gptkb:lanthanoid gptkb:19th_century
gptkb:actinoid late 19th to 20th century