TY - BOOK AU - Petrucci,Ralph H TI - General chemistry: principles and modern applications SN - 002394790X AV - QD31.2 .P48 1985 U1 - 540 19 PY - 0000///د.ت CY - New York, London PB - Macmillan, Collier Macmillan KW - Chemistry N1 - Includes index ER -