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61	Promethium (Pm)		chem-atomic-numbers-61-90
62	Samarium (Sm)		chem-atomic-numbers-61-90
63	Europium (Eu)		chem-atomic-numbers-61-90
64	Gadolinium (Gd)		chem-atomic-numbers-61-90
65	Terbium (Tb)		chem-atomic-numbers-61-90
66	Dysprosium (Dy)		chem-atomic-numbers-61-90
67	Holmium (Ho)		chem-atomic-numbers-61-90
68	Erbium (Er)		chem-atomic-numbers-61-90
69	Thulium (Tm)		chem-atomic-numbers-61-90
70	Ytterbium (Yb)		chem-atomic-numbers-61-90
71	Lutetium (Lu)		chem-atomic-numbers-61-90
72	Hafnium (Hf)		chem-atomic-numbers-61-90
73	Tantalum (Ta)		chem-atomic-numbers-61-90
74	Tungsten (W)		chem-atomic-numbers-61-90
75	Rhenium (Re)		chem-atomic-numbers-61-90
76	Osmium (Os)		chem-atomic-numbers-61-90
77	Iridium (Ir)		chem-atomic-numbers-61-90
78	Platinum (Pt)		chem-atomic-numbers-61-90
79	Gold (Au)		chem-atomic-numbers-61-90
80	Mercury (Hg)		chem-atomic-numbers-61-90
81	Thallium (Tl)		chem-atomic-numbers-61-90
82	Lead (Pb)		chem-atomic-numbers-61-90
83	Bismuth (Bi)		chem-atomic-numbers-61-90
84	Polonium (Po)		chem-atomic-numbers-61-90
85	Astatine (At)		chem-atomic-numbers-61-90
86	Radon (Rn)		chem-atomic-numbers-61-90
87	Francium (Fr)		chem-atomic-numbers-61-90
88	Radium (Ra)		chem-atomic-numbers-61-90
89	Actinium (Ac)		chem-atomic-numbers-61-90
90	Thorium (Th)		chem-atomic-numbers-61-90