Надо 2 работы:
1. Liquid chromatography of erythromycin A and related substances on poly(styrene-divinylbenzene)
J. Paesen, E. Roets and J. Hoogmartens
Chromatographia 1991
Volume 32, Numbers 3-4, 162-166
- DOI:
http://dx.doi.org/10.1007/BF02325020
H. K. Chepkwony, P. Dehouck, E. Roets and J. Hoogmartens
Chromatographia 2001
Volume 53, Numbers 3-4, 159-165, DOI:
- DOI:
http://dx.doi.org/10.1007/BF02491564