translate English to French: Environics Research Group Ltd., The Environmental Monitor, 1997, Cycle 4, Toronto: Environics, 1997; Environics Research Group Ltd., The Environmental Monitor, 1998, Cycle 1, Toronto:
Environics Research Group Ltd., The Environmental Monitor, 1997, cycle 4, Toronto, 1997 ; Environics Research Group Ltd., The Environmental Monitor, 1998, cycle 1, Toronto, 1998.