TY - BOOK AU - Parkin,Andrew TI - Systems analysis SN - 0713136421 (pbk.) AV - T 57.6 .P37 1987 U1 - 620.7/2 19 PY - 1987/// CY - London, Baltimore, Md., U.S.A. PB - E. Arnold KW - System analysis N1 - Includes index ER -