Lagrange and Mayer problems in optimal control. - S. Shapiro (Autom., 1966)

Classification of Environmental Estrogens by Physicochemical Properties Using Principal Component Analysis and Hierarchical Cluster Analysis. - Takahiro Suzuki; Kunihito Ide; Masaru Ishida; S. Shapiro (J. Chem. Inf. Comput. Sci., 2001)