Symmetric Brace Algebras. - Tom Lada; Martin Markl (Appl. Categorical Struct., 2005)

Permutads via operadic categories, and the hidden associahedron. - Martin Markl (J. Comb. Theory A, 2020)

Operadic categories as a natural environment for Koszul duality. - Michael Batanin; Martin Markl (Compositionality, 2023)

Koszul duality for operadic categories. - Michael Batanin; Martin Markl (Compositionality, 2023)

Operads, Operadic Categories and the Blob Complex. - Michael Batanin; Martin Markl (Appl. Categorical Struct., 2024)