TIWARI B, SHARMA N. Spectroscopic Investigation on Some Macrocyclic Complexes of Cu(II), Ni(II) and Co(II). ajc [Internet]. 2010 Mar. 30 [cited 2024 Nov. 23];21(6):4209-14. Available from: https://asianpubs.org/index.php/ajchem/article/view/18149