Book, The 33rd Regiment - North Vietnamese Army: their history (1965 - 1989) (Copy 2), 2017 Physical description Including the Battles of Binh Ba - 1969 & Nui Le -1971). Keywords vietnam war, 1961-1975 -- participation, australian, vietnam war, 1961-1975 -- campaigns, vietnam war, 1961-1975 -- regimental histories