By Worrell E.   van Berkel R.   Fengqi Z.   Menke C.   Schaeffer R.   O. Williams R.   in Energy Policy

ISSN:0301-4215|29|1|29-43

Elsevier‎(2001)‎

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By Owen J.V.   Wilstead J.O.   Williams R.W.   Day T.E.   in Journal of Archaeological Science

ISSN:0305-4403|25|4|359-375

Academic Press‎(1998)‎

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By Greb R R   Heikinheimo O   Williams R F   Hodgen G D   Goodman A L   in Human Reproduction

ISSN:1460-2350|12|6|1280-1292

Oxford University Press‎(1997)‎

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