1. International river water quality: pollution and restoration
پدیدآورنده : edited by G.A. Best. T. Bogacka and E. Niemirycz
کتابخانه: (طهران)
موضوع : Water - Pollution - Congresses , Water quality management - Congresses , Watershed management - Congresses
رده :
TD
419
.
5
.
I579
1994