00549nam a2200181Ia 4500008004100000082001700041100002300058245002800081250000600109260004500115300000800160650001600168650001800184653001600202942001200218999001500230952012200245170901s1972    xx            000 0 und d  a517.37bC33O  aChurchill, Ruel V. 0aOperational Mathematics  a3  aTokyobMcGraw-Hill Kogakusha, Ltd.c1972  a481  aMathematics  aPure Sciences  aMathematics  2ddccBK  c4724d4724  00102ddc4070aRAUbRAUd2017-10-18eT M H, New DelhifUSDg6.95l0o517.37 C33Op25512r2017-10-18w1981-06-01yBK