TY  - BOOK
AU  - O'Keefe,John A.
TI  - Tektites and their origin
SN  - 0444413502 :
U1  - 523.51 
PY  - 1976///
CY  - Amsterdam
PB  - Elsevier Scientific Pub.
KW  - Tektite
N1  - Includes bibliographical references and index
ER  -