@article{skillicorn:cost2,
        author = {D.B. Skillicorn and W. Cai},
        title = {A Cost Calculus for Parallel Functional
                Programming},
        journal = {Journal of Parallel and
                Distributed Computing},
        volume = {28},
        number = {1},
        month = {July},
        year = {1995},
        pages = {65--83},
}

@article{jsa,
        author= {D.B. Skillicorn},
        title = {Towards a Framework for Cost-Based Transformation},
        journal = {Journal of Systems and Architectures (the Euromicro
                Journal)},
        volume = {42},
        year = {1996},
        pages = {331--340},
}