00374nam a2200109Ia 4500082001600000245002800016100005700044942000700101008004100108999001900149952009600168 aST 620 MOOL 0aEngineering science N4  a MOOLMAN, C L. Johannesburg, 1997 2nd ed 926743 cBK210817s9999 xx 000 0 und d c387880d387879 00104070aDAGGLbDAGGLd2021-08-20g136.00l0p33228017514579r2021-08-20w2021-08-20yBK