6Zhang Dehua, Zhou Huiqiu. Comparative Analysis Based oil Factor Analysis of Integrate Production Capacity of Foodstuff in Main Foodstuff Provinces [A]. Egui Zhu.2011 ICP3V [C]. Washington: SPIE, 82051Y1-82051Y6.
7Zhou Huiqiu, Zhang Dehua. Comparative Analysis on Influential Factors of Foodstuff Producing in Main Foodstuff Provinces [A]. Egui Zhu.2011 ICP3V[C]. Washington: SPIE, 82051Z 1-82051Z6.