Pimvichai, P., Enghoff, H., Panha, S. (2011):A revision of the Thyropygus allevatus group. Part 4: the T. cuisinieri subgroup (Diplopoda: Spirostreptida: Harpagophoridae). Zootaxa, 2980: 37–48.
Pimvichai, P., Enghoff, H., Panha, S. (2011): A revision of the Thyropygus allevatus group. Part 3: the T. induratus subgroup (Diplopoda: Spirostreptida: Harpagophoridae). Zootaxa, 2941: 47–68.
Pinard, M.A., Barker, M.G., Tay, J. (2000): Soil disturbance and post-logging forest recovery on bulldozer paths in Sabah, Malaysia. Forest Ecology and Management, 130: 213-225.
Pinheiro, T.G., Battirola, L.D., Marques, M.I. (2011): Fertility tables of two populations of the parthenogenetic species Poratia salvator (Diplopoda, Polydesmida, Pyrgodesmidae). Braz. J. Biol., 71: 501-510.