TY - BOOK ED - GHQ E-in-C Branch TI - Royal Engineers Supplementary Pocket Book No.8 A U1 - 621.3 PY - 1961/// CY - Pakistan PB - GHQ E-in-C Branchg KW - MCE N1 - 0; 0; 0; 621_300000000000000_ROY ER -