author = { Morris, Anne K. AND Hiebert, James AND Spitzer, Sandy M. },

title = { Mathematical Knowledge for Teaching in Planning and Evaluating Instruction: What Can Preservice Teachers Learn? },

publisher = {National Council of Teachers of Mathematics},

isbn = {0021-8251},

isbn = {1945-2306},

year = {2009},

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