THE STUDY ON TRANSFORMATION PRINCIPLE OF NITROGEN AND THE CAPACITY OF NITROGEN POLLUTION IN THE SONGHUA RIVER
Yang Ji, Jiang Shuchun
SCIENTIA GEOGRAPHICA SINICA ›› 1989, Vol. 9 ›› Issue (3) : 232-241,291.
THE STUDY ON TRANSFORMATION PRINCIPLE OF NITROGEN AND THE CAPACITY OF NITROGEN POLLUTION IN THE SONGHUA RIVER
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