TY - GEN T1 - H.M.S. "Northmark" DA - 1946 L1 - https://library.imarest.org/record/10598/files/v7b22p03.pdf JF - Papers On Engineering Subject VL - 7 PY - 1946 ID - 10598 L4 - https://library.imarest.org/record/10598/files/v7b22p03.pdf TI - H.M.S. "Northmark" Y1 - 1946 L2 - https://library.imarest.org/record/10598/files/v7b22p03.pdf LK - https://library.imarest.org/record/10598/files/v7b22p03.pdf UR - https://library.imarest.org/record/10598/files/v7b22p03.pdf ER -