Text ( visual ) : unmediated The fertile sea : being the Buckland lectures for 1957 / by A. P. Orr and S. M. Marshall. -- London : Fishing News , 1969. -- 131 p. : 16 p. of plates, ill., maps, port ; 23 cm. -- (A Buckland Foundation book). -- Includes bibliographical references (p.122-123) and index. -- (BA23329541) ; https://ci.nii.ac.jp/ncid/BA23329541 Author Heading(s): Orr, A. P. ; Marshall, S. M. (Sheina M.). -- Classification(s): LCC : QH91.8.P5 ; DC : 592. -- Subject Heading(s): LCSH : Marine plankton