Authors:
Heindl, WA
Coburn, W
Gruber, DE
Pelling, MR
Rothschild, RE
Wilms, J
Pottschmidt, K
Staubert, R
Citation: Wa. Heindl et al., Discovery of a third harmonic cyclotron resonance scattering feature in the X-ray spectrum of 4U 0115+63, ASTROPHYS J, 521(1), 1999, pp. L49-L53