National Geographic

1979. V. 156 № 1

          V. 155 № 1,2

1977. V. 151 № 1

1976. V. 150 № 1,2,3,4,6

          V. 149 № 2,3,4,5,6

1975. V. 148 № 1,3,4,6

          V. 147 № 1,3,4,5,6

1974. V. 146 № 1,2

          V. 145 № 1,2

1972. V. 142 № 3,6

          V. 141 № 2,3,4

1971. V. 140 № 1,2,3,4,6

          V. 139 № 4,5