The Endo-Exo-Isomer Ratio in Alcohol Mixtures Resulting from Reductions of Some Bicyclo -(1.2.2)- Heptanones by Methods Commonly used to Prepare These Alcohols /  
Pekka Hirsjärvi. 
 - Helsinki :   Suomalainen Tiedeakatemia,   1957. 
 - Annales Academiae Scientiarum Fennicae .