@book{Ritgen2019, author = {Ulf Ritgen}, title = {Analytische Chemie I}, publisher = {Springer Spektrum}, address = {Berlin, Heidelberg}, isbn = {978-3-662-60494-6}, doi = {10.1007/978-3-662-60495-3}, pages = {XI, 307}, year = {2019}, language = {de} }