Kristoffersson, Rolf <br/><br/>
Hibernation of the Hedgehog (Erinaceus Europaeus) the Atp and O-phosphate Levels in Blood and Various Tissues of Hibernating and Non-Hibernating Animals 

 - Helsinki :   Suomalainen Tiedeakatemia,   1961. 
 - 45 p. ;   22 cm. 
 - Annales Academiae Scientiarum Fennicae ;   50 .