@book{23983,
	author = {Mondal, S. K.  and Zoological Survey of India.},
	title = {Studies on Taxonomy, Biology and Ecology of Grasshoppers Infesting Field Crops and Vegetables with notes on Nymphal Taxonomy of Some Species in West Bengal /},
	publisher = {Zoological Survey of India,},
	year = {1999.},
	address = {Calcutta :}
}