M. Pasqual and E. Hoshika, “Effects of naphthalene acetic acid and 6-benzylaminopurine on In vitro proliferation of cactus Gymnocalicium buldiamur L. and Mammilaria bocassana L”., PAB, vol. 27, no. 4, pp. 589–594, Apr. 1992, doi: 10.1590/S1678-3921.pab1992.v27.3686.