Ban Wang Hai, excavations of an iron-age cemetary in northern Thailand = Wang Hai, l??ng fang sop bo?ra?n yuk lek nai pha?k n??a kho??ng Prathe?t Thai / Jean-Pierre Pautreau, Patricia Mornais, Tasana Doy-asa ; foreword by H.R.H. Princess Maha Chakri Siridhorn