@book{2902,
	author = {Gottfried, Byron S.},
	title = {Introduction to Engineering Calculations for First Year Students },
	publisher = {Mcgraw-Hill Book Company},
	year = {1979},
	address = {New Delhi },
	url = {http://www.amazon.com/exec/obidos/ASIN/0070238375/chopaconline-20}
}