TY  - BOOK
AU  - Cummins W A
TI  - Greywacke problem
U1  - 553.53 
PY  - 1962///
KW  - Sandstone deposits
N1  - Photocopy from Lpool Mancher, Geol. J. v.3, pt 1, 1962, 51-72p
ER  -