00329nam a2200121Ia 4500008004100000020002200041082001700063100001300080245004500093250001300138260004600151300001000197260319s9999    xx            000 0 und d  a9.7893803865e+012  a515.3bBAL/A  aBali,N P 2aA Textbook of Engineering Mathematics-IV  a11th Ed.  aNew DelhibUniversity Science Pressc2024  a521p.