TY  - BOOK
AU  - Chambre,David
TI  - The 9th grade: 150 years of free climbing 
SN  - 9782365450225
AV  - GV200.25 .C43 2015
U1  - 44 
PY  - 2015///
CY  - [Paris]
PB  - Les éditions du Mont-Blanc
KW  - Free climbing
KW  - History
KW  - Pictorial works
N1  - Translation of: Le 9e degré : 150 ans d'histoire de l'escalade libre; Includes bibliographical references (page [301])
N2  - A review of the history of the sport of free climbing with biographies of its pioneers
ER  -