| géol. |
Burzyan Erathem (MichaelBurov); Burzyan Era (MichaelBurov); Burzyan Epoch (MichaelBurov); Burzyan age (MichaelBurov); Burzyan time (MichaelBurov); B (MichaelBurov); Lower Riphaean (MichaelBurov); Burzyan period (MichaelBurov); Burzyanian Era (lxu5) |
