TY  - BOOK
AU  - Barnes Virgil E Ed.
AU  -  Barnes Mildred A Ed.
TI  - Tektites
T2  - Benchmark papers in geology
U1  - H25M87z7, L3 
PY  - 1973///
CY  - Dowden
PB  - Hutchinson and Ross       
KW  -  Petrology
KW  - Geology
ER  -