Abstract
Woolston, C; Mbaye, SS; Datok, P; Gitau, E; Maphanga, R; Kenmoe, S; Okello, V; Jurua, E
Mbaye, SS (reprint author), Cheikh Anta Diop Univ, Astron, Dakar, Senegal.
NATURE, 2019; 572 (7767): 143