I’m looking for these, would anyone have them?
Kullander, S.O. 1980. A taxonomical study of the genus Apistogramma Regan, with a revision of Brazilian and Peruvian species. Bonn. zool. Monogr. 14: 152 pp.
BAREL, C. D. N., VAN OIJEN, M. J. P., WITTE, F. & WITTEMAAS, E. L. M. 1977. An introduction to the taxonomy and morphology of the haplochromine cichlids from Lake Victoria. Netherlands Journal of Zoology 27 (4): 333-389.