Marcelo F. Frias Gabriel Baum Armando Martin Haeberer Adding Design Strategies to Fork Algebras. 214-226 1996 conf/ershov/1996 Ershov Memorial Conference db/conf/ershov/ershov1996.html#FriasBH96 http://dx.doi.org/10.1007/3-540-62064-8_19