Gerd KAUPP. Study on Non-Equivalence of Pyramids and Their Pseudo-Cones . Basic Mathematics for Physically Correct Mechanical Properties from Indentations, [S. l.], p. 256–264, 2022. DOI: 10.9734/bpi/mono/978-93-5547-921-1/CH16. Disponível em: https://stm.bookpi.org/BMPCMPI/article/view/8543. Acesso em: 12 jun. 2026.