@book{4688,
	author = {Croft, Anthony ; Robert  , Davison ; Martin , Hargreaves},
	title = {Engineering Mathematics: a modern foundation for electrtonic,electrical and control Engineers },
	publisher = {Addison-Wesley},
	year = {,1996.},
	address = {Harlow:},
	edition = {2nd},
	note = {Includes Index}
}