\input zb-basic
\input zb-matheduc
\iteman{ZMATH 1996a.00164}
\itemau{Romberg, T.A.; Webb, N.L.}
\itemti{The role of the National Council of Teachers of Mathematics in the current reform movement in school mathematics in the United States of America.}
\itemso{Science and mathematics education in the United States: Eight innovations. OECD Publ., Paris (ISBN 92-64-13918-4). 143-156 (1993).}
\itemcc{D10}
\itemut{}
\itemli{}
\end