@book{1158493,
	author = {DINWIDDLE R.},
	title = {ESSENTIAL COMPUTERS, SPREADSHEETS, CREATING WORKSHEETS , SORTING DATA, MOVING CELL CONTENTS, DATA SERIES, SETTING UP WORKSHEETS, EDITING, COPYING USING FORMULAS END CALCULATIONS.},
	publisher = {DORLING KINDERSLEY LONDON},
	year = {1999}
}