TY - GEN DA - 1945 ID - 10556 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10556/files/v6b19p00.pdf L2 - https://library.imarest.org/record/10556/files/v6b19p00.pdf L4 - https://library.imarest.org/record/10556/files/v6b19p00.pdf LK - https://library.imarest.org/record/10556/files/v6b19p00.pdf PY - 1945 T1 - Contents TI - Contents UR - https://library.imarest.org/record/10556/files/v6b19p00.pdf VL - 6 Y1 - 1945 ER -