中国科学院微生物研究所. [2009-02-25]. (原始内容存档于2016-03-05). Which flowers are the best source of nectar?. Conservation Grade. 2014-10-15 [2017-10-18]. (原始内容存档于2019-12-14)
November 2022 [2022-11-30]. (原始内容存档于2022-11-29) (英语). Liu, Juliana; Gan, Nectar. Foxconn offers to pay workers to leave world's largest iPhone factory after
a spring enclosed in the rock: 'You who have fed the twin brothers with nectar'.8 6 The spring is Mithras; the twins to whom he has given heavenly nourishment