https://catalogue-scientifique.canada.ca/record=3752877~S6*frc
Rechercher Marvin, C. H; Rechercher Coakley, J. P; Rechercher Mayer, Tatiana; Rechercher Brown, M; Rechercher Theissen, P. A
National Water Research Institute, 2000
"This report is primarily a description of methods used by NWRI laboratories for the analysis of faecal sterols as source tracers"--Management Perspective.
Publication gouvernementale