suite of lessons composing the tutorial.
- \ref GRAS_howto_design
- \htmlonly <!--
- DOXYGEN_NAVBAR_LABEL="Tutorial"
- DOXYGEN_NAVBAR_CHILD "What is GRAS"=GRAS_tut_intro.html
- DOXYGEN_NAVBAR_CHILD "Initiatic tour"=GRAS_tut_tour.html
- DOXYGEN_NAVBAR_CHILD "GRAS HOWTOs"=GRAS_howto.html
- --> \endhtmlonly
-
*/