TY - GEN AU - Mukhopadhyay, Ananda Deb AU - Sen, Ranen, TI - Developments in biotechnology: microbial leaching and its environment SN - 8190187406 : U1 - E/O 660.6 23rd PY - 2003/// CY - Midnapur PB - Vidyasagar University KW - Biotechnology KW - environmental aspects N1 - Includes bibliographical references ER -