00291nam a2200121Ia 4500008004100000041000900041082001500050100002400065245002200089260004200111300000800153650000800161230718s9999 xx 000 0 und d aEng. a323bHAR-F aHarrington, Roger F 0aField Computation aPakistanbOrfead universty Riesc1931 a229 aLaw