00568nam a2200193Ia 4500 CTU_99102 210402s9999 xx 000 0 und d 670.42 A939 Automation : Economic implications and impact upon collective bargaining New York International Brotherhood 1964 Automation,Collective bargaining Economic aspects United states,United states Truc Trung tâm Học liệu Trường Đại học Cần Thơ