Purse seine fishery on floating objects : what kind of fishing effort ? what kind of abundance indices ? Proceedings of the fifth expert consultation on Indian Ocean tunas /Hallier, Jean-Pierre TECHNIQUE DE PECHE SENNEUR EFFORT DE PECHE CAPTURE ANALYSE DE DONNEES IPTP Ardill, J.D. (ed.) 1994 text https://www.documentation.ird.fr/hor/fdi:010056462 fdi:010056462 Hallier Jean-Pierre. Purse seine fishery on floating objects : what kind of fishing effort ? what kind of abundance indices ?. In : Ardill J.D. (ed.), . Proceedings of the fifth expert consultation on Indian Ocean tunas IPTP, ; 8). 1994, 192-198 Expert Consultation on Indian Ocean Tunas, 5., Mahé (SEY), 1993/10/04-08 EN SOMALIE