peck et. al. 1974
peck et. al. 1974, peck et al. 1974 pp. 114, beck et al 1974, heck et al. 1975, dick et al. 2003, beck et al. 2004, peacock et al. 1994, ekman et al. 1987, peck and bazaraa anderson et al. 2007, beck et al. 1979, dick et al. 2005, beck et al. 1961, beck et al. 2007, pett et al. 2003, park et al. 2004, ekman et al. 1980, beck et al. 1985, beck et al. 2014, beck et al. 1988, beck et al. 2011, beck et al. 2001, beck et al. 1996
peck et. al. 1974. There are any references about peck et. al. 1974 in here. you can look below.
peck et. al. 1974
peck et al. 1974 pp. 114
beck et al 1974
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peacock et al. 1994
ekman et al. 1987
peck and bazaraa anderson et al. 2007
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dick et al. 2005
beck et al. 1961
beck et al. 2007
pett et al. 2003
park et al. 2004
ekman et al. 1980
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peck et. al. 1974, peck et al. 1974 pp. 114, beck et al 1974, heck et al. 1975, dick et al. 2003, beck et al. 2004, peacock et al. 1994, ekman et al. 1987, peck and bazaraa anderson et al. 2007, beck et al. 1979, dick et al. 2005, beck et al. 1961, beck et al. 2007, pett et al. 2003, park et al. 2004, ekman et al. 1980, beck et al. 1985, beck et al. 2014, beck et al. 1988, beck et al. 2011, beck et al. 2001, beck et al. 1996
