L. A.  Labhard and Pedersen, E., ?Laundry practices: Line drying and load characteristics?, Journal of Consumer Studies and Home Economics, vol. 13, pp. 307-312, 1989.

E.  Pedersen, Labhard, L. A., and Webb, J., ?Line drying versus machine drying: Energy consumption comparison?, Journal of Consumer Studies and Home Economics, vol. 12, pp. 349-360, 1988.