547 ASTLE, MELVIN J. ORGANIC CHEMISTRY / / M . J . ASTLE & J . R . SHELTON. - 2ND ED. - NEW DELHI: : OXFORD & IBH,, 1963. x (2) 771 P.. : HARD BOUND 3RD ED / 1976 / x , 771 P.. : 12/- * CHEMISTRY - ORGANIC. * SHELTON, J . REID * Title