Knigge, C., Coe, M., & Podsiadlowski, P. (2011). Two populations of X-ray pulsars produced by two types of supernova.

Knigge, C., M. Coe, and P. Podsiadlowski. Two Populations of X-ray Pulsars Produced by Two Types of Supernova. 2011.

Knigge, C., et al. Two Populations of X-ray Pulsars Produced by Two Types of Supernova. 2011.