@article {1019, title = {Communicative Practices in the Workplace: A Historical Examination of Genre Development}, journal = {Journal of Technical Writing and Communication}, volume = {30}, year = {2000}, note = {+ pdf rhet+ genre-comp }, month = {2000}, pages = {57{\textendash}79}, keywords = {activity theory, evolution, genre, history, organizational communication, workplace}, author = {Zachry, Mark} }