@article{58644,
      recid = {58644},
      author = {Nassau, Jason John,},
      title = {Practical astronomy.},
      publisher = {McGraw-Hill Book Co.,},
      address = {New York,},
      pages = {xii, 311 p.},
      year = {1948},
      note = {First ed. pub. in 1932 under title: A textbook of  practical astronomy.},
      url = {http://library.usi.edu/record/58644},
}