Primeval very low-mass stars and brown dwarfs series

Primeval - I. Six new L subdwarfs, classification and atmospheric properties

Primeval - II. The most metal-poor substellar object

Primeval - III. The halo transitional brown dwarfs

Primeval - IV. New L subdwarfs, Gaia astrometry, population properties, and a blue brown dwarf binary

Primeval - V. A halo L3 subdwarf with prograde eccentric orbit in the Galactic plane

Primeval - VI. Population properties of metal-poor degenerate brown dwarfs

Primeval - VII. The discovery of the first wide M+L extreme subdwarf binary

The Substellar Transition Zone: A Stretched Temperature Canyon in Brown Dwarf Population due to Unsteady Hydrogen Fusion