- (abs, pdf) Inayoshi et al., Pulsational instability of supergiant protostars: Do they grow supermassive by accretion?
- (abs, pdf) Prestwich et al., Ultra-Luminous X-Ray Sources in the Most Metal Poor Galaxies
- (abs, pdf) Oppenheimer & Schaye, Non-Equilibirum ionisation and cooling of metal-enriched gas in the presence of a photo-ionisation background