TY  - BOOK
AU  - Harding,R.R.
ED  - Her Majesty΄s Stationery Office
TI  - The Gaborone Granite, Kanye Volcanics and Ventersdorp Plantation Porphyry, Botswana: geochronology and review 
T2  - Institute of Geological Sciences : Natural Environment Research Council. 74/5
SN  - 011880670X
U1  - 553.526883 
PY  - 1974///.
CY  - London: 
PB  - Her Majesty's Stationery Office, 
KW  - Granite
KW  - Botswana
KW  - Volcanism
N1  - Includes bibliographical references (p. 20-21)
ER  -