// SPDX-License-Identifier: BSD-3-Clause
// Copyright (C) 2026 Vallés Puig, Ramon
//! Source references for the NRLMSISE-00 atmosphere model.
//!
//! ## References
//!
//! * Picone, J. M., Hedin, A. E., Drob, D. P., & Aikin, A. C. (2002).
//! NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons
//! and scientific issues. JGR: Space Physics, 107(A12), 1468.
//! <https://doi.org/10.1029/2002JA009430>
//! * Vallado, D. A. (2013). Fundamentals of Astrodynamics and Applications,
//! 4th ed., Table 8-4.