Nestor, V. 2007.
Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic.Estonian Journal of Earth Sciences56,
2,109-128.
Nestor, H., Nestor, V. 2002.
Upper Llandovery to middle Wenlock (Silurian) lithostratigraphy and chitinozoan biostratigraphy in southwestern Estonia and northermost Latvia.Proceedings of the Estonian Academy of Sciences. Geology51,
2,67-87. DOI:10.3176/geol.2002.2.01
Nestor, V. 1994.
Early Silurian chitinozoans of Estonia and North Latvia.