Observer's handbook /

समान संसाधन

• Observer's handbook /
  प्रकाशित: (1952)
• The marine observer's handbook /
  प्रकाशित: (1963)
• Australian meteorological observers' handbook, 1954 /
  प्रकाशित: (1954)
• Guide to meteorological instrument and observing practices.
  प्रकाशित: (1969)
• Australian co-operative observers guide, January 1973 /
  प्रकाशित: (1973)