L. Hecking

Development of high-performance liquid chromatography criteria for determination of grades of commercial olive oils. Part I. The normal ranges for the triacylglycerols

R. Flor, L. Hecking, Brian David Martin, 1993 .

Determination of geographic origin of agricultural products by multivariate analysis of trace element composition

R. Schwartz, L. Hecking, 1991 .