@book{22680,
	author = {Purkayastha, R. P. },
	title = {Economic plants and microbes},
	publisher = {T.T.P.P. Publishers},
	year = {1990},
	address = {New Delhi},
	url = {http://asapglobe.com/TempHtml/kawu40da0gbfl50lynpxoyaa/8170193710/BookEformat.aspx}
}