TY - GEN DA - 1946 ID - 10584 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10584/files/v7b21p00.pdf L2 - https://library.imarest.org/record/10584/files/v7b21p00.pdf L4 - https://library.imarest.org/record/10584/files/v7b21p00.pdf LK - https://library.imarest.org/record/10584/files/v7b21p00.pdf PY - 1946 T1 - Contents TI - Contents UR - https://library.imarest.org/record/10584/files/v7b21p00.pdf VL - 7 Y1 - 1946 ER -