https://catalogue-scientifique.canada.ca/record=3621397~S6*frc
Rechercher McCrea, R. C; Rechercher Roy, J. C; Rechercher Shukla, B. S; Rechercher Joshi, S. R; Rechercher Joshi, S.R. [et al.]
Lakes Research Branch, National Water Research Institute, 1991
Publication gouvernementale