@inproceedings{NSR1987GAZN,
  author="Yu. P. {Gangrsky} and Ch. {Gradechni} and S. T. {Zemlyanoi} and S. {Iliev} and K. P. {Marinova} and B. N. {Markov} and {Khoang Tkhi Kim Khue} and {Chan Kong Tam}",
  title="Charge Radius Differences of Sm and Gd Nuclei with Even and Odd Neutron Number",
  booktitle="Program and Theses",
  year=1987
}
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