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|SP||49.2 (April 1974): 390||http://links.jstor.org/sici?sici=0038-7134%28197404%2949%3A2%3C390%3ARBEAWI%3E2.0.CO%3B2-Z|
|AHR||80.1 (Feb. 1975): 88||http://links.jstor.org/sici?sici=0002-8762%28197502%2980%3A1%3C88%3ARBEAWI%3E2.0.CO%3B2-7|
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