Search our online book catalog and type gorshkov: http://nwc-ipac.usnwc.edu/ipac20/ipac.jsp?profile=nwc&menu=search#focus You may request those books via interlibrary loan from your local public library in the US. Send an email to libref@usnwc.edu with more detailed information as to what your research needs are and perhaps we can better help you.