Atwood, Jerry L., and Junk, Peter C. (2000) Syntheses and X-ray crystal structures of novel oxonium ion-12-crown-4 complexes isolated from liquid clathrate media. Journal of Coordination Chemistry, 51 (2). pp. 379-397.

Atwood, Jerry L., and Junk, Peter C. (2000) Formation and crystal structures of novel seven-coordinate 15-crown-5 complexes of manganese(II), iron(II) and cobalt(II). Polyhedron, 19 (1). pp. 85-91.