00338nam a2200157Ia 4500008004100000020000900041035001000050082001300060100001900073245004000092250000600132260002200138300000800160500000600168650000600174210723s9999||||xx |||||||||||||| ||und||  aNULL  a25323  a531BGWY  aGwyther, J. L. 0aFirst Course In Engineering Science  a-  aLondonbHeinemann  a122  a0  a-