author = { Topping, Keith J. },

title = { Peer assisted learning },

publisher = {Lawrence Erlbaum Associates},

isbn = {0805825010},

isbn = {0805825029},

keywords = { Peer teaching , Peer-Group , Tutor , Studium , Lernen },

year = {1998},

address = { Mahwah, NJ [u.a.] },

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