{ "items": [ "\n\n
\n \n Conference paper\n \n
\n \n\n \n \n \nWILLIAMS NS. et al, (1980), GUT, 21, A453 - A454
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\n \n \n\n \n Journal article\n \n
\n \n\n \n \n \nO'Neal DL. and Maroney GE., (1978), BASIC FLUID POWER RES. J., 11, 235 - 241
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\n \n \n