@article{G. LETTINGA:123, author = {G. LETTINGA}, title = {Challenges of a feasible route towards sustainability in environmental protection}, publisher = {Front. Environ. Sci. Eng.}, year = {2010}, journal = {Frontiers of Environmental Science & Engineering}, volume = {4}, number = {2}, eid = {123}, numpages = {11}, pages = {123}, keywords = {sustainability; environmental protection; anaerobic treatment; micro-aerobic treatment; natural biological mineralization concept; traces elements; macro-nutrients }, url = {https://journal.hep.com.cn/fese/EN/abstract/article_9732.shtml}, doi = {10.1007/s11783-010-0028-1} }