@article{120560,
      author = {Palmer, Allison R. and Gatehouse, Colin G.,},
      url = {http://library.usi.edu/record/120560},
      title = {Early and Middle Cambrian trilobites from Antarctica,},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {120560},
      pages = {iii, 37 p. :},
      address = {Washington,},
      year = {1972},
}