1. JENSEN, S. 1966. Report of a new chemical hazard.New Sci. 32: 612.
2. JENSEN, S., A.G. JOHNELS, M. OLSSON, G. OTTERLIND.1969. PCB in marine animals from Swedish waters. Nature (London) 224: 247–250.
3. HUTZINGER, O., S. SAFE, V. ZITKO. 1974. The Chemistry of PCBs. CRC Press, Cleveland, Ohio
4. NATIONAL RESEARCH COUNCIL. 1979. Polychlorinated Biphenyls. National Academy of Sciences, Washington, D.C.
5. STREK, H.J., J.B. WEBER. 1982. Behaviour of polychlorinated biphenyls (PCBs) in soils and plants. Environ. Pollut. Ser. A 28: 291–312.