TY - BOOK AU - Northrup,Herbert Roof AU - Foster,Howard G. TI - Open shop construction T2 - Major study - Industrial Research Unit ; no. 54 SN - 0812290895 U1 - 331.88/92 19 PY - 1975/// CY - Philadelphia PB - Industrial Research Unit, Wharton School, University of Pennsylvania : distributed by University of Pennsylvania Press KW - Construction industry KW - United States KW - Personnel management KW - Local KW - Industria de la Construccion KW - Estados Unidos KW - Personal KW - Administración KW - LEMB KW - Open and closed shop N1 - Includes bibliographical references and index ER -