Growth and morphological responses of Chlorella vulgaris at different initial algal densities to treatment with Ceratophyllum demersum methanol extractsJing Dong, Mengyang Chang, Chenlu Li and Dujuan DaiAnn. Limnol. - Int. J. Lim., 55 (2019) 15DOI: https://doi.org/10.1051/limn/2019015