@book {359, title = {The Technological System}, year = {1980}, publisher = {Continuum}, organization = {Continuum}, address = {New York}, keywords = {system, technology}, url = {http://books.google.com/books?id=EDgSAQAAMAAJ\&q=The+technological+system\&dq=The+technological+system\&hl=en\&sa=X\&ei=IRorT6qdI4Pu2gXRgqmXDw\&ved=0CDYQ6AEwAA}, author = {Ellul, J.} }