Antipin, M. Yu.; Boese, R.; Augart, N.; Schmid, G. (1993). "Redetermination of the cobaltocene crystal structure at 100 K and 297 K: Comparison with ferrocene and nickelocene". Struct. Chem.4 (2): 91–101. doi:10.1007/BF00677370. S2CID93871667.
Antipin, M. Yu.; Boese, R.; Augart, N.; Schmid, G. (1993). "Redetermination of the cobaltocene crystal structure at 100 K and 297 K: Comparison with ferrocene and nickelocene". Struct. Chem.4 (2): 91–101. doi:10.1007/BF00677370. S2CID93871667.