Variation in the food intake of grass carp, Ctenopharyngodon idella (Val.), fed singly or in groupsChris G. Carter, Dominic F. Houlihan, Ian D. McCarthy and Alan E. BrafieldAquat. Living Resour., 5 3 (1992) 225-228DOI: https://doi.org/10.1051/alr:1992022