00346nam a2200145Ia 4500008004100000020002200041082000800063082001000071100001700081245005100098260001500149260001200164260000900176999001500185230118s9999||||xx |||||||||||||| ||und||  a978-81-775-8433-2  a547  bSYK/A  apeterbsykes 2aa guide book to mechanism in organic chemistry  asouth asia  bpearspn  c1986  c4176d4176