@book{12320,
	author = {Longitudinal thinking : the best of Abhigyan and Gautam, Vinayshil, ed.},
	title = {Longitudinal thinking : the best of Abhigyan},
	publisher = {Macmilan pub India ltd.},
	year = {2013},
	address = {Delhi},
	note = {v.1: D252; v.2: D253}
}