TY - BOOK AU - MINI, I TI - STUDIES ON BIOORANICS AND TRACE METALS IN THE ASSOCIATED FLORA OF A LOTIC ECOSYSTEM VAMANAPURAM RIVER - THESIS U1 - 577 MIN PY - 2003/// CY - THIRUVANANTHAPURAM PB - DEPARTMENT OF BOTANY UNIVERSITY COLLEGE,THIRUVANANTHAPURAM KW - ECOSYSTEM ER -