At the limits of bisphosphonio-substituted stannylenes
S. Nasemann, R. Franz, D. Kargin, C. Bruhn, Z. Kelemen, T. Gutmann, R. Pietschnig, Chemistry - An Asian Journal 19 (2024) e202300950.

Oligo- and polymerization of phospha [2]ferrocenophanes to one dimensional phosphorus chains with ferrocenylene handles
S. Dey, D. Kargin, M.V. Höfler, B. Szathmari, C. Bruhn, T. Gutmann, Z. Kelemen, R. Pietschnig, Polymer 242 (2022) 124589.