@misc {MATHEDUC.02419018,
    author       = {Tobias, Sheila},
    title        = {Dealing with Math/Science Blocks. Programme und Techniken bei Lernschwierigkeiten im Mathematikunterricht.},
    howpublished = {Liberal Educ. (Mar-Apr 1988) v. 74(2) p. 20-31.},
    year         = {1988},
    msc2010      = {C20xx (D40xx)},
    identifier   = {1988x.00036},
}