Cairns, F. 1999. Tibullus, Messalla, and the spica: I 1.16; I 5.28; I 10.22, 67; II 1.4; II 5.84. Emerita. 67, 2 (dic. 1999), 219–230. DOI:https://doi.org/10.3989/emerita.1999.v67.i2.171.