V. S. Rathor, C. Rasmussen, and M. S. Saini, “New record of the stingless bee Tetragonula gressitti from India (Hymenoptera: Apidae: Meliponini)”, J. Melittol., no. 7, pp. 1–5, Mar. 2013, doi: 10.17161/jom.v0i7.4454.