TY  - BOOK
AU  - Postma,Hendrik
AU  - Baerends,G.P.
ED  - Rijksuniversiteit Groningen.
TI  - Hydrography of the dutch Wadden sea
PY  - 1954///
CY  - S.l.
PB  - s.n.
KW  - RMCA
KW  - GG General geology
N1  - Diss. Phd Diss. lic
ER  -