@book{56757,
	author = {Gupta, B. N.},
	title = {An introduction to modern statistics, for M.A. Eco., M. Com., B.A. (Econ. Hons.) B. Com., B. Sc., etc. students of Indian universities.},
	publisher = {Bookland},
	year = {[1963]},
	address = {Calcutta,}
}