Sorted by most recent date added to the index first, which may not be the same as publication date order.
1994 journal article
Production and diurnal utilization of assimilates in leaves of spinach (Spinacia oleracea L.) and barley (Hordeum vulgare L.)
Planta, 192(4), 497–501.
By: B. Riens, G. Lohaus, H. Winter & H. Heldt
Subcellular volumes and metabolite concentrations in spinach leaves
Planta, 193(4), 530–535.
By: H. Winter, D. Robinson & H. Heldt