TY  - BOOK
AU  - Herak,M.
AU  - Stringfield,V.T.
TI  - Karst, important karst regions of the northern hemisphere
SN  - 0444408495 (New York)
U1  - 553.24 20
PY  - 1972///
CY  - Amsterdam, New York
PB  - Elsevier Pub. Co.
KW  - Karst
KW  - Europe
KW  - North America
N1  - Includes bibliographies and index
ER  -