20221124123358.370217 portico Portico 1972/1973 2024-03-26 Preserved : 1972: 238, 1973: 241, 1973: 243, 1973: 245, 1973: 246 Preserved : 1972: 238(83), 1973: 241(107), 1973: 243(126), 1973: 245(141), 1973: 246(149-150, 155) Preserved Springer Nature Nature New Biology 2058-1092 0090-0028 0090-0028 England Nature. Nature. New biology (London. Online) http://www.nature.com/nature/archive/index.html 1971/1971 2024-03-26 Preserved : 1971: 231, 1971: 232 Preserved : 1971: 231(23), 1971: 232(30) Preserved Springer Nature Nature New Biology 2058-1092 0090-0028 Nature. New biology (London. Online) Nature.