IPCS 1994: INTERNATIONAL PROGRAMME ON CHEMICAL SAFETY, ENVIRONMENTAL HEALTH CRITERIA 156, HEXACHLOROBUTADIENE, WHO [http://www.inchem.org/documents/ehc/ehc/ehc156.htm, 2012-02-01]
IPCS 1994: INTERNATIONAL PROGRAMME ON CHEMICAL SAFETY, ENVIRONMENTAL HEALTH CRITERIA 156, HEXACHLOROBUTADIENE, WHO [http://www.inchem.org/documents/ehc/ehc/ehc156.htm, 2012-02-01]