TY  - BOOK
T1  - ⁴⁰Ar/³⁹Ar age-spectrum data for whole rock samples of the Martinsburg Formation, Lehigh Gap area, Pennsylvania
DA  - 1996.
CY  - [Reston, Va.] :
AU  - Kunk, Michael J.
AU  - Wintsch, Robert Peter,
VL  - 96-95
CN  - I 19.76:
PB  - U.S. Dept. of the Interior, Geological  Survey,
PP  - [Reston, Va.] :
PY  - 1996.
N1  - Shipping list no.: 98-0809-M.
ID  - 219264
KW  - Argon-argon dating
TI  - ⁴⁰Ar/³⁹Ar age-spectrum data for whole rock samples of the Martinsburg Formation, Lehigh Gap area, Pennsylvania
ER  -