@book{71974,
	author = {Bhatnagar, Kalka Prasad, and Nigam, A. R.},
	title = {Indian rural economy,},
	publisher = {Kishore Pub. House,},
	year = {1965.},
	address = {Kanpur,},
	edition = {5th rev. and enl. ed.},
	note = {"Appendix A: Area and production of different crops": slip inserted.}
}