Bennett, Gary F. (May 1989). "Impact of toxic chemicals on local wastewater treatment plant and the environment". Environmental Geology. 13 (3). Springer Berlin / Heidelberg: 201–212. Bibcode:1989EnGeo..13..201B. doi:10.1007/BF01665370. S2CID129910523.
Kingsbaker, C. L. (February 1983). "Recent safety experiences". Journal of the American Oil Chemists' Society. 60 (2). Springer Berlin / Heidelberg: 245–257. doi:10.1007/BF02543492. S2CID98513761.
Bennett, Gary F. (May 1989). "Impact of toxic chemicals on local wastewater treatment plant and the environment". Environmental Geology. 13 (3). Springer Berlin / Heidelberg: 201–212. Bibcode:1989EnGeo..13..201B. doi:10.1007/BF01665370. S2CID129910523.
Bennett, Gary F. (May 1989). "Impact of toxic chemicals on local wastewater treatment plant and the environment". Environmental Geology. 13 (3). Springer Berlin / Heidelberg: 201–212. Bibcode:1989EnGeo..13..201B. doi:10.1007/BF01665370. S2CID129910523.
Kingsbaker, C. L. (February 1983). "Recent safety experiences". Journal of the American Oil Chemists' Society. 60 (2). Springer Berlin / Heidelberg: 245–257. doi:10.1007/BF02543492. S2CID98513761.