TY - CHAP TI - The structure of a distribution map: problems of sample bias and quantitative studies AU - Fitzpatrick, A A2 - Rei Cretariae Romanae Fautores PB - Rei Cretariae Romanae Fautores] PY - 1958 CY - Atuatucae Tungrorum Belgicae [etc SN - 0484-3401 U3 - 990000993820204761 ER -