00571nus0 22001933i 450 MIL002266920251003044218.00067-005719900511a19..9999||||0itac50 banlbzu||||||||Astrophysics and space science libraryDordrecht [etc.]D. Reidell[poi] Kluwer[poi] Springer.ITIT-00000019900511IT-BN0095 IT-NA0079 MIL0022669 01 BNAstrophysics and space science library1571922UNISANNIO