00410nam a22001337a 4500 230504b |||||||| |||| 00| 0 eng d National Science Library National Science Library R 058.7(058.7) M0;M2 Directory of directories 1983 2nd ed. Michigan: Information Enterprises, 1982 Ethridge, James M (Ed.) udc DIR 27576 27576 0 0 udc 0 R_05870587_M0M2 0 40560 NSL NSL GF/Rk-7/C-4/R-4 1983-01-27 0 R 058.7(058.7) M0;M2 102719 2023-05-04 00:00:00 1983-01-27 DIR