Gunki hogo oyobi chinōteki hanzai no sōsa
Series: Shihō keisatsu kanri kunren shiryō -- dai 13-kan
Publisher: Shihōshō Keijikyoku
Published: 1938
Place of publication: [Tokyo]
Language: jpn
Number of pages: 155
Subjects: Espionage; Military intelligence
Notes: Issued as confidential document.