郑慧莹，李建东。 1999 。松嫩平原盐生植被与盐堿化草地恢复。科学出版社，北京。

Zheng huiying & li jiandong. 1999. the saline vegetation and its restoration on the songnen plains. science press, beijing.

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一项肯定的方式来支持李东建之主题，就是鼓励你们地区之扶轮社来完成这个计划。

One sure way to support D. K. Lee's theme is to encourage the clubs in your district to implement this plan.

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