TY - BOOK AU - Ryles, A.P. AU - Smith, K. AU - Ward, R.S. TI - Essential of Organic chemistry= Organic chemistry: for students of the life sciences: A.P. Ryles, K. Smith and R.S. Ward SN - 471275824 U1 - 547 PY - 1980/// CY - New York PB - John wiley and sons KW - Chemistry, organic ER -