求助springer上的两篇论文,我们学校没有权限,题目是1.Production of Mannitol by Leuconostoc Mesenteroides, Immobilized on Reticulated Polyurethane Foam;2. Mannitol production by heterofermentative Lactobacillus reuteri CRL 1101 and Lactobacillus fermentum CRL 573 in free and controlled pH batch fermentations
谢谢了