Author: A. J. Staverman, F. Schwarzl (auth.), Dr. J. P. Berry, Professor J. D. Ferry, Professor Dr. E. Jenckel, Professor Dr. W. Kast, Director H. F. Mark, Dr. phil W. Meskat, Dr. phil O. Rosenberg, Dr. phil F. Schwarzl, Dr. A. J. Staverman, Professor R. S. Stein, Professor Dr. H. A. Stuart, Dr. rer. nat H. Thurn, Dr. L. R. G. Treloar, Dr. A. K. van der Vegt Jr., Dr. F. Würstlin (eds.)
Author: Sigrid Wagner; Robert J Jensen; Douglas T Owens; Patricia S Wilson; National Council of Teachers of Mathematics. Research Interpretation Project (ed.)