4ChenCD(陈昌笃).The vegetation and its roles in soil and waterconservation in the secondary fo rest area in the boundary of Shanxi and Gansu provinces.植物生态学与地植物学丛刊,1958,(2):152-223.
5ZhuZC(朱志诚).A preliminary study on the Quercus liaotun gensis forests in the qinling mountain and the loess plateau of northern part of the Shaanxi province.植物生态学与地植物学丛刊,1982,6(2):95-104.
