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APA Citation
Mu, W., van Middelaar, C., Bloemhof, J., Engel, B., & de Boer, I. (2017). benchmarking the environmental performance of specialized milk production systems: selection of a set of indicators. Ecological indicators, 72, 91–98. http://access.bl.uk/ark:/81055/vdc_100038845630.0x000025