[http://www.nytimes.com/1998/03/05/us/panel-rejects-adding-markers-to-explosives.html][https://pubs.acs.org/doi/abs/10.1021/cen-v074n032.p007a] | [http://www.nytimes.com/1998/03/05/us/panel-rejects-adding-markers-to-explosives.html][https://pubs.acs.org/doi/abs/10.1021/cen-v074n032.p007a] |