1968 121 p., 52 figs, 6 pls, paperbound. Thesis.
1968 121 p., 52 figs, 6 pls, paperbound. Published in: Zoologische Verhandelingen. Good second hand copy.
2009 142 p., num. figs & col. photographs, 4to, hardbound. Crisp copy, as new.
1968 121 p., 52 figs, 6 pls, paperbound. Thesis.
2009 142 p., num. figs & col. photographs, 4to, hardbound. Crisp copy, as new.
1968 121 pp., text figs, 6 plates (showing shells), paperbound (upper end spine worn). Zoologische Verhandelingen.Describes the living and dead shells found in this river mouth, and the often surprising differences between the two. Guido Poppe's copy with his autograph on the title-page.
1968 121 p., 52 figures, 6 plates, paperbound. Thesis.
2009 142 p., numerous figures & coloured photographs, 4to, hardbound. Very good copy.
1968 121 p., 52 figs, 6 pls, paperbound. Published in: Zoologische Verhandelingen. Crisp new copy.
1994 79 p., 37 figs, 6 pls, 4to, wrappers. Published in: Contributions to Tertiary and Quaternary Geology. New copy.
1968 121 p., 52 figs, 6 pls, paperbound. Thesis. Number written on front cover.
1994 79 p., 37 figs, 6 pls, 4to, wrappers. Published in: Contributions to Tertiary and Quaternary Geology. Previous owner's name on front cover.