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- Herrmann, Hans-Joachim. 1996. "Cichlids from Lake Tanganyika". Aqualex-catalog (crc01129).
- Herrmann, Hans-Joachim. 1996. "On the differences between Petrochromis polyodon and Petrochromis famula". The Cichlids Yearbooks. v. 6, pp. 18-19 (crc00918).
- Herrmann, Hans-Joachim. 1995. "Aquaristisch bekannte bodenorientierte Sandcichliden und felsbewohnende Arten". Deutsche Cichliden Gesellschaft- Informationen. pp. 62-75 (crc01300).
- Herrmann, Hans-Joachim. 1995. "Breeding in Lamprologus meleagris". The Cichlids Yearbooks. v. 5, pp. 18-19 (crc00898).
- Herrmann, Hans-Joachim. 1994. "An Intriguing yellow Petrochromis". The Cichlids Yearbooks. v. 4, pp. 14-17 (crc00872).
- Herrmann, Hans-Joachim. 1994. "Die Gattung Altolamprologus Poll, 1986". Buntbarsch Jahrbuch. v. 2, pp. 4-9 (crc03079).
- Herrmann, Hans-Joachim. 1994. "Ophthalmotilapia nasuta from Resha, Burundi". The Cichlids Yearbooks. v. 4, pp. 12-13 (crc00871).
- Herrmann, Hans-Joachim. 1993. "Already almost forgotten - Neolamprologus niger". The Cichlids Yearbooks. v. 3, pp. 14-15 (crc00843).
- Herrmann, Hans-Joachim. 1993. "Perissodus microlepis - Pflege und Zucht eines Schuppenfressers". Buntbarsch Jahrbuch. v. 1, pp. 11-16 (crc03066).
- Herrmann, Hans-Joachim. 1992. "Simochromis babaulti Pellegrin, 1927". The Cichlids Yearbooks. v. 2, p. 17 (crc00797).
- Herrmann, Hans-Joachim. 1992. "Simochromis marginatus Poll, 1956". The Cichlids Yearbooks. v. 2, p. 16 (crc00796).
- Herrmann, Hans-Joachim. 1987. "Die buntbarsche der alten welt - Tanganjikasee". Kernen Verlag (crc02869).
- Herrmann, Hans-Joachim. 1985. "Alte und neue Petrochromis - und kein Ende in Sicht". Die Aquarien- und Terrarien-Zeitschrift (DATZ). Vol. 38 (n. 11) pp. 441-444 (crc01439).
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