Burkart Elevated work platforms and scaffolding : job site safety manual / Matthew J. Burkart, Michael McCann, Daniel M. Paine. - New York McGraw-Hill 2004. - xxxii, 543p. ill. 24cm Includes index p.539 - 543 ISBN: 0071414932 Subjects--Topical Terms: Building--Safety measuresScaffolding--Safety measures Dewey Class. No.: 690.22 BUR 2004