The influence of seed coatings on the activities of ?-amylase, lipoxygenase and peroxidase on the germination of gras seeds - Botha, M.; Berner, J.; Westcott, M.; Kellner, K. (Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / South African Journal of Science and Technology, 2013)