00269nam a2200109Ia 4500008004100000082002000041100001400061245004700075250000600122260002100128300001000149240913s9999||||xx |||||||||||||| ||und||  a547.1223  KAL/S  aP S Kalsi 0aSteriochemistry conformation and Mechanism  a6  bNULLaNULLcNULL  a601 p