TY - BOOK AU - Ravindran, P K AU - TI - Sabsidiyarirasatantram U1 - 54=M PY - 1973/// CY - Trivandrum PB - State Institute of Languages KW - Chemistry KW - Spectroscopy KW - Biochemistry KW - Spectrum analysis KW - Acids KW - Bases- chemistry KW - Physical science KW - Science KW - Chemical engineering KW - Biotechnology KW - Chemical technology ER -