https://catalogue-scientifique.canada.ca/record=3411238~S6*frc
Rechercher Krakiwsky, E.J; Rechercher Kempe, A.B; Rechercher Srajer, V; Rechercher Karimi, H.A; Rechercher Lockhart, T; Rechercher Wade, R
CRL (Energy, Mines and Resources Canada; CANMET; Coal Research Laboratories), 1987
Publication gouvernementale