GRAY, J.; CHALONER, W.G.; WESTOLL, T.S. (1985). «The Microfossil Record of Early Land Plants: Advances in Understanding of Early Terrestrialization, 1970–1984 [and Discussion]». Philosophical Transactions of the Royal Society of London Series B. 309 (1138): 167–195. Bibcode:1985RSPTB.309..167G. JSTOR2396358. doi:10.1098/rstb.1985.0077 !CS1 manut: Nomes múltiplos: lista de autores (link)
GRAY, J.; CHALONER, W.G.; WESTOLL, T.S. (1985). «The Microfossil Record of Early Land Plants: Advances in Understanding of Early Terrestrialization, 1970–1984 [and Discussion]». Philosophical Transactions of the Royal Society of London Series B. 309 (1138): 167–195. Bibcode:1985RSPTB.309..167G. JSTOR2396358. doi:10.1098/rstb.1985.0077 !CS1 manut: Nomes múltiplos: lista de autores (link)
jstor.org
GRAY, J.; CHALONER, W.G.; WESTOLL, T.S. (1985). «The Microfossil Record of Early Land Plants: Advances in Understanding of Early Terrestrialization, 1970–1984 [and Discussion]». Philosophical Transactions of the Royal Society of London Series B. 309 (1138): 167–195. Bibcode:1985RSPTB.309..167G. JSTOR2396358. doi:10.1098/rstb.1985.0077 !CS1 manut: Nomes múltiplos: lista de autores (link)