@book{1701,
	author = {Heliövaara, Kari. and Väisänen, Rauno.},
	title = {Insects and pollution /},
	publisher = {CRC Press,},
	year = {c1993.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0744/92026120-d.html}
}