@inbook{f12a8aeaa8bb4799bfda9d74b38831cc,

title = "Continuing the design research cycle: A revised measurement and arithmetic sequence",

author = "K.P.E. Gravemeijer and J. Bowers and M. Stephan",

year = "2003",

language = "English",

isbn = "0-87353-556-1",

series = "Journal for Research in Mathematics Education Monograph",

publisher = "National Council of Teachers of Mathematics",

pages = "103--122",

editor = "M. Stephan and J. Bowers and P. Cobb and K.P.E. Gravemeijer",

booktitle = "Supporting students' development of measuring conceptions: Analyzing students' learning in social context",

address = "United States",

}