TY  - BOOK
AU  - Hooykaas,R.
TI  - Catastrophism in geology, its scientific character in relation to actualism and uniformitarianism: Mededelingen, AFD letterkunde
PY  - 1970///
PB  - Koninklijke nederlandse Akademie van Wetenschappen
KW  - RMCA
KW  - GG General geology
ER  -