1. Attwell D, Barbour B and Szatkowski, M, Nonvesicular release of neurotransmitter. Neuron 11: 401–407 (1993)
2. Balazs R, Patel AJ and Richter D, Metabolic compartments in the brain: their properties and relation to morphological structures. In: Balazs R and Cremer (eds.) Metabolic Compartmentation in the Brain, Macmillan, NY, 1972, pp 167–184
3. Barbour B, Keller BU, Llano I and Marty A, Prolonged presence of glutamate during excitatory synaptic transmission to cerebellar Purkinje cells. Neuron 12:1331–1343(1994)
4. Barbour B, Magnus C, Szatkowski M, Gray PTA, Attwell D, Changes in NAD(P)H fluorescence and membrane current produced by glutamate uptake into salamander Müller cells. J Physiol 466:573–597 (1993)
5. Berl S and Clarke DD, Metabolic Compartmentation of the Glutamate-Glutamine System: Glial Contribution. In: Fonnum F (ed), Amino Acids as Chemical Transmitters. Plenum NY 691–708 (1978)