TY - BOOK ID - 127889974 TI - Spherical trigonometry : with naval and military applications AU - Kells, Lyman Morse AU - Bland, James R. AU - Kern, Willis Frederick PY - 1942 PB - New York (N.Y.) : McGraw-Hill, DB - UniCat KW - Spherical trigonometry. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127889974 AB - ER -