TY - BOOK AU - W. MALEMNGANBA CHENGLEI TI - UGC CSIR NET/SET(JRF & LS) PHYSICAL SCIENCES SN - 9.7893517665e+012 U1 - 530/UGC/CHE PY - 0000///NA CY - KOLKATA PB - ARIHANT PUBLICATION KW - PHYSICS ER -