@article{article7a0d6ba4, title = {Catfish, rhinelepis aspera (teleostei ; loricariidae), in the guaira region of the parana river: an example of population estimation from catch-effort and tagging data when emigration and immigration are high}, author = {Agostinho, A A and Matsuura, Yasunobu and Okada, E K and Nakatani, K}, year = {1995}, journal = {Fisheries Research} }