Hansen J.

idbiblio	auteurs	support	annee	ext.	pages
Haplochromis burtoni. The Aquarist and Pondkeeper, 36 (10)
6102	Hansen J.	Journal	1972	#	338-340.
Notes on development and behaviour of Haplochromis burtoni. The Aquarist and Pondkeeper, 37 (6)
6103	Hansen J., Hansen P.	Journal	1972	#	233-236,fig.
The sharp-nosed climbing perch. The Aquarist and Pondkeeper, 39 (1)
6642	Hansen J., Hansen P.	Journal	1974	#	2-3,2 fig.
The rearing of Pelvicachromis pulcher. (In Dutch). Aquarium, Den Haag, 50 (1)
8135	Hansen J.	Journal	1979	#	12-15,fig.
Julidochromis transcriptus. A lake Tanganyika cave spawner. Tropical Fish Hobbyist, 27 (12)
8136	Hansen J., Hansen P.	Journal	1979	#	4-14,fig.
Beobachtungen bei der Zucht der Purpurprachtbarsche, Pelvicachromis pulcher. Das Aquarium, 14 (131)
8412	Hansen J.	Journal	1980	#	226-228,fig.
Breeding Julidochromis marlieri. Tropical Fish Hobbyist, 28 (9)
8413	Hansen J., Hansen P.	Journal	1980	#	4-12,phot.