Börger, E., Glässer, U., &; Müller, W. (1995). A Formal Definition of an Abstract VHDL’93 Simulator by EA-Machines. In C. Delgado Kloos &; P. T. Breuer (Eds.), Semantics of VHDL (pp. 107–139). Kluwer Academic Publishers.https://doi.org/10.1007/978-1-4615-2237-9_5 
LibreCat: /record/34448
DOI: 10.1007/978-1-4615-2237-9_5

Lasser, R., &; Rösler, M. (1991). Linear mean estimation of weakly stationary stochastic processes under the aspects of optimality and asymptotic optimality. Stochastic Processes and Their Applications, 38(2), 279–293.https://doi.org/10.1016/0304-4149(91)90095-t 
LibreCat: /record/40218
DOI: 10.1016/0304-4149(91)90095-t