Geophysical research papers.

no.1-6 1949-1950; no.7 1950 Dec; no.7-10 1950-1951; no.8 1951 Jul; no.11-13 1952; no.14-18 1952; no.19 1952; no.20-24 1953; no.25-30 1954; no.31-37 1954-1955; c.1 no.34; no.37; no.38-40 1954-1955; no.41-42 1955; no.43-44 1955-1956; no.46-50 1955-1956; no.45 1956; no.45:pt.4-6 1956; no.51-55 1956-1957; no.56-57 1957-1958; no.58 1958; c.1 no.37 v.1; no.57; no.59; no.59:v.1-2 1958; no.59:v.3 1959; no.60-65 1958-1960; no.66-70 1959-1960; no.70; no.71-72 1960; no.72-74 1960-1962; no.73 1962; no.74 1962