Measures and yields of products and residues 



3375 



r^m OO 0\ v^ 

 rn O t--^ lO ■^' 

 ■^ IT) >o vO r~ 





00 m 



— f^ 



w-ivOr-OOOvO— '(Nro-<t>rivor-OOOvO — tN(^-«J-iOVOt~OOOsO 



