共 3 条
[1]
Yap M G S,Ng W J,Chua H. Bioresource Technology . 1992
[2]
Introduction to Environm entalEngi-neering. Mackenzie L D,David A C. . 1991
[3]
Standard Methods forthe Exam ination of W ater and W aste W ater. Greenberg A E,ClesccriL S,Eaton A D. . 1992