Fleisher, Alexander (1988). "Identification of biblical hyssop and origin of the traditional use of oregano-group herbs in the Mediterranean region". Economic Botany. 42 (2): 232–241. doi:10.1007/BF02858924. S2CID45220405.
Fleisher, Alexander (1988). "Identification of biblical hyssop and origin of the traditional use of oregano-group herbs in the Mediterranean region". Economic Botany. 42 (2): 232–241. doi:10.1007/BF02858924. S2CID45220405.