TY - BOOK AU - Lancaster, P. R. AU - ED - ED - ED - ED - TI - : theory, worked examples and problems SN - 333240138 SN - 2 PY - 1980///.46 CY - London; Basingstoke PB - The Macmillan Press Ltd. KW - KW - 2 KW - 0 KW - 6 KW - 20 N1 - 5 ER -