TY - BOOK AU - J.E. Smyth, D.A. Soberman and A.J. Easson. AU - ED - ED - ED - ED - SN - 013526104x SN - 2 PY - 1987///.;c.198746 CY - Scarborough, Ontario PB - Prentice-Hall Canada Inc KW - KW - 2 KW - 0 KW - 6 KW - 20 N1 - 5 ER -