(NpRAKTIKUM PO KARTOGRAFII S OSNOWAMI TOPOGRAFIIs - (NgEDYMIN a(B.(Nw(B., (NgR@NBERG g(B.(N`(B., (NmALYH m(B.(Ni(B.s ((NmOSKWAs (NpROSWE]ENIEs, 1981)