E. Gomonay і V. Loktev, «Shift of close-packed basal planes as an order parameter of transitions between antiferromangetic phases in solid oxygen: II. Temperature/pressure dependence of sound velocities and lattice parameters: Classical Cryocrystals», Fiz. Nizk. Temp., вип. 33, вип. 6-7, с. 711–718, Трав 2007.