. "2013-08-05"^^ . . "Tristram" . . . . . . . . . "A guide to chalcogen-nitrogen chemistry / Tristram Chivers, cop. 2005. - . - Library of congress. - http://authorities.loc.gov/. - 2009-06-19"@fr . "0000000116492386" . . . "Tristram Chivers"@fr . . . "En poste : University of Calgary, Alberta (en 2005)"@fr . "male" . "Tristram Chivers" . . "1940"^^ . "En poste : University of Calgary, Alberta (en 2005)" . . . . "15106372"^^ . "VIAF" . "2006-10-24" . . "2013-08-06" . . "Chivers" . "En poste : University of Calgary, Alberta (en 2005)" . .