@electronic{www.amazon.de, title = {So geht's - Spass mit Zahlen und Mathematik im Kindergarten: Amazon.de: Gerhard Friedrich, Andrea Bordihn: Bücher}, url = {http://www.amazon.de/gp/product/3451003848/ref=s9_simh_gw_p14_d0_i5?pf_rd_m=A3JWKAKR8XB7XF&pf_rd_s=center-2&pf_rd_r=0V51DTET5FPYP30F9HNG&pf_rd_t=101&pf_rd_p=463375173&pf_rd_i=301128}, biburl = {https://puma.uni-kassel.de/url/c84f58ef606d387ae003796ab21b91c0/braeuning}, keywords = {amazon}, added-at = {2011-05-19T11:55:32.000+0200}, description = {}, interhash = {c84f58ef606d387ae003796ab21b91c0}, intrahash = {c84f58ef606d387ae003796ab21b91c0} }