00294nam a2200109Ia 450000500170000000800410001703500080005810000170006624500490008326000330013265000190016520251022063807.0251022s9999||||xx |||||||||||||| ||und||  a152  aPeter Sykers 2aA Guidbook to Mechanism in Organic Chemistry  bOrient Longman Pvt Ltdc2003  aC-23:Chemistry