@article{BeckerLauGEICKetal.1975,
  author    = {Charles R. Becker and Ph. Lau and R. GEICK and V. Wagner},
  title     = {Antiferromagnetic Resonance in NiO:Co\(^{2+}\) and NiO:Fe\(^{2+}\)},
  year      = {1975},
}