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THE PRIZE SHALL BE AWARDED TO THE AUTHOR (OR, IN THE CASE OF JOINT AUTHORSHIP, TO ALL CO-AUTHORS IN EQUAL SHARES) OF THE BEST ORIGINAL PAPER CALCULATED TO ADVANCE OR BE OF BENEFIT TO THE SCIENCE OF MECHANICAL ENGINEERING AND PUBLISHED, PREFERABLY BUT NOT NECESSARILY, IN INSTITUTION OF MECHANICAL ENGINEERS PUBLICATIONS, DURING THE CALENDAR YEAR PRECEDING THAT IN WHICH THE AWARD IS MADE. THE AUTHOR, OR IN THE CASE OF JOINT AUTHORSHIP, AT LEAST ONE AUTHOR, SHALL BE MEMBERS OF THE INSTITUTION, NORMALLY RESIDENT IN AUSTRALIA. MOREOVER, THE PAPER SHALL PREFERABLY DESCRIBE OR RELATE TO WORK PERFORMED IN AUSTRALIA.