TY - BOOK AU - British Standard Institution ED - British Standard Institution TI - Unversal decimal classification T2 - FID pub; 179 U1 - 2:51M89, qM04 (2D) PY - 1980/// CY - London PB - British Standard Institution KW - LIBRARY SCIENCE N1 - Contents Engineering technology in general, characterstics and details of machines equipment plant process and products ER -