TY - GEN DA - 1946 ID - 10606 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10606/files/v7b22p11.pdf L2 - https://library.imarest.org/record/10606/files/v7b22p11.pdf L4 - https://library.imarest.org/record/10606/files/v7b22p11.pdf LK - https://library.imarest.org/record/10606/files/v7b22p11.pdf PY - 1946 T1 - Notes TI - Notes UR - https://library.imarest.org/record/10606/files/v7b22p11.pdf VL - 7 Y1 - 1946 ER -