https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=120073
Elsevier BV
Chemical and petrological analyses were carried out on several British Columbia coals which are known as 'needle' coals because of the pine needle morphology...
Périodique (revue)
Texte intégral en ligne