@book{2955,
	author = {Porter, Lyman W. and Steers, Richard M.},
	title = {Motivation and work behavior},
	publisher = {McGraw-Hill,},
	year = {1991},
	address = {New York,USA:},
	edition = {5th},
	note = {35219 lost and replaced with same by the student on 29.01.2009}
}