http://www.chem.ucla.edu/~bacher/General/30CL/Grignard_rxn/Grignard.html (http://www.chem.ucla.edu/~bacher/General/30CL/Grignard_rxn/Grignard.html)
http://orgchem.colorado.edu/courses/3381manual/GrignardLM81S02.pdf (http://orgchem.colorado.edu/courses/3381manual/GrignardLM81S02.pdf)