TY - BOOK AU - Pell,Claiborne AU - Goodwin,Harold L. TI - Challenge of the seven seas AV - GC21 .P37 U1 - 910.02166 PY - 1966/// CY - New York PB - Morrow KW - Ocean engineering KW - Marine resources KW - Oceanography KW - ოკეანოგრაფია N1 - "Notes, references, and comments": p. 285-299 ER -