Kumar, S. (1981). High-Resolution X-ray Measurements of the Smectic Phases of Terephthal-bis-(4<i>n</i>)-alkylanilines. Physical Review A. https://doi.org/10.1103/PhysRevA.23.3207
Kumar, Satyendra. 1981. “High-Resolution X-Ray Measurements of the Smectic Phases of Terephthal-Bis-(4<i>n</I>)-Alkylanilines”. Physical Review A. https://doi.org/10.1103/PhysRevA.23.3207.
Kumar, S. High-Resolution X-Ray Measurements of the Smectic Phases of Terephthal-Bis-(4<i>n</I>)-Alkylanilines. Physical Review A, 1 June 1981, doi:10.1103/PhysRevA.23.3207.