1. Biometric procedures in taxonomic studies of Paleozoic bryozoans;Anstey RL;Journal of Paleontology,1970
2. Silurian fistuliporids from the northern regions of the RSFSR;Astrova GG;Trudy Akademii Nauk SSSR Komi Filial Syktyvkar Institut Geologii,1960
3. New Order of Paleozoic Bryozoa. Paleontologicheskij zhurnal;Astrova GG,1964
4. Morphology, history of development and system of the Ordovician and Silurian Bryozoa;Astrova GG;Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR,1965
5. The history of development, system, and phylogeny of the Bryozoa: Order Trepostomata;Astrova GG;Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR,1978