@article{StahlKlabundeWitzeletal.1994, author = {Bernd Stahl and Thomas Klabunde and Herbert Witzel and Bernt Krebs and Martin Steup and Michael Karas and Franz Hillenkamp}, title = {The oligosaccharides of the Fe(III)-Zn(II) purple acid phosphatase of the red kidney bean : determination of the structure by a combination of matrix-assisted laser desorption-ionization mass spectrometry and selective enzymic degradation}, year = {1994}, }