@book{32317,
	author = {Gupta, J Datta and West Bengal and Sikkim},
	title = {Census of India, (1961), West Bengal and Sikkim},
	publisher = {Manager of Publications},
	year = {1967},
	address = {Delhi},
	note = {Contents: v.16-Part 1-A General Report;Book(i), Population progress}
}