Jonsell, S., Heiselberg, H., & Pethick, C. J. Universal Behavior of the Energy of Trapped Few-Boson Systems with Large Scattering Length. Physical Review Letters, 89(25), p. 4 pages. doi:10.1103/physrevlett.89.250401

Jonsell, Svante, H. Heiselberg, and C. J. Pethick. "Universal Behavior of the Energy of Trapped Few-Boson Systems With Large Scattering Length." Physical Review Letters 89, no. 25 (): 4 pages.

Jonsell, Svante, H. Heiselberg, and C. J. Pethick. "Universal Behavior of the Energy of Trapped Few-Boson Systems With Large Scattering Length." Physical Review Letters 89.25 (): 4 pages.