Carbon isotope systematics of the Cambrian-Vendian aquifer system in the northern Baltic Basin : implications to the age and evolution of groundwaterRaidla, Valle; Kirsimäe, Kalle; Vaikmäe, Rein; Kaup, Enn; Martma, TõnuApplied geochemistry2012 / p. 2042-2052 : ill https://doi.org/10.1016/j.apgeochem.2012.06.005

Chemical peculiarities of the Silurian-Ordovician and Cambrian-Vendian aquifer systems in Estonia : an overview of hydrochemical studiesKarro, Enn; Marandi, Andres; Vaikmäe, Rein; Uppin, MargeEstonian journal of earth sciences2009 / 4, p. 342-352 : ill https://artiklid.elnet.ee/record=b1944680*est

Freshening of the late Vendian basin on the East European CratonPirrus, Enn-AavoProceedings of the Estonian Academy of Sciences. Geology1992 / 3, p. 115-123: ill https://artiklid.elnet.ee/record=b2390186*est

Rb-Sr systematics of Vendian-Cambrian claystones from the east European Platform : implications for a multi-stage illite evolutionGorokhov, I.M.; Clauer, N.; Turchenko, T.L.; Melnikov, N.N.; Kutyavin, E.P.; Pirrus, Enn-Aavo; Baskakov, A.V.Chemical geology1994 / p. 71-89: ill

Sedimentological and paleogeographic aspects of the Vendian-Cambrian transition on the East European platformPirrus, Enn-AavoProceedings of the Estonian Academy of Sciences. Geology1993 / 4, p. 141-147: ill

Upconing of saline water from the crystalline basement into the Cambrian-Vendian aquifer system on the Kopli Peninsula, northern EstoniaMarandi, Andres; Vallner, LeoEstonian journal of earth sciences2010 / 4, p. 277-287 : ill https://artiklid.elnet.ee/record=b2183607*est

Vend ja Kambrium Eestis ning Lõuna-SoomesPirrus, Enn-Aavo; Nestor, Heldur; Soesoo, Alvar; Linna, Ari2006 https://www.ester.ee/record=b2183909*est

VendianMens, Kaisa; Pirrus, Enn-AavoGeology and mineral resources of Estonia1997 / p. 35-38: ill

Vendian-Tremadoc clastogenic sedimentation basinsMens, Kaisa; Pirrus, Enn-AavoGeology and mineral resources of Estonia1997 / p. 184-191: ill

Viron ja Etelä-Suomen Ediakara- ja KambrikausiPirrus, Enn-Aavo; Nestor, Heldur; Soesoo, Alvar; Linna, Ari2006 https://www.ester.ee/record=b2190588*est

Литогенез венда и кембрия Северной Прибалтики : автореферат ... доктора геолого-минералогических наук (04.00.21)Pirrus, Enn-Aavo1989 https://www.ester.ee/record=b2339596*est