Colombo, M., Gümrükçüoğlu, A. E., & Sotiriou, T. P. (2015). Hořava gravity with mixed derivative terms: powercounting renormalizability with lower order dispersions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(6), Article 064037. https://doi.org/10.1103/PhysRevD.92.064037