APA   Click to copy
Kumar, V., & Mohapatra, Y. N. (1990). Characterization of defects in gallium arsenide.

Chicago/Turabian   Click to copy
Kumar, Vikram, and Y. N. Mohapatra. “Characterization of Defects in Gallium Arsenide” (1990).

MLA   Click to copy
Kumar, Vikram, and Y. N. Mohapatra. Characterization of Defects in Gallium Arsenide. 1990.

@article{vikram1990a,
  title = {Characterization of defects in gallium arsenide},
  year = {1990},
  author = {Kumar, Vikram and Mohapatra, Y. N.}
}