author = { Merrill, M. David Twitchell, David G. },

title = { Instructional design theory },

edition = { 1. printing } ,

publisher = {Educational Technology Publ.},

isbn = {087778275X},

keywords = { Instructional systems , Design , Educational technology , Computerunterstützter Unterricht , Softwareentwicklung , Unterrichtstechnologie },

year = {1994},

abstract = {Includes bibliographical references and index},

address = { Englewood Cliffs, NJ },

url = { http://slubdd.de/katalog?TN_libero_mab2 }