For possible future reference here are the URL's of correspondence with Margrit and Marion which I have been compiling. http://home.earthlink.net/~ej4meyer/EJM_IT_01.odt http://home.earthlink.net/~ej4meyer/MN_EJM_2009_06_01.odt http://home.earthlink.net/~ej4meyer/MN_EJM_2009_09_30.odt http://home.earthlink.net/~ej4meyer/MN_EJM_2009_12_05.odt Some day you might be interested in page 200 of http://home.earthlink.net/~ej4meyer/MN_EJM_2009_12_05.odt