TY - GEN PB - Iliffe Transport Publications L1 - http://cybra.lodz.pl/Content/17473/Flight_v48_no1917_opt.pdf L2 - http://cybra.lodz.pl/Content/17473 T1 - Flight vol. 48 no. 1917 (1945) UR - http://cybra.lodz.pl/dlibra/docmetadata?id=17473 ER -