Authors: ERICSON PGP CARRASQUILLA FH

Citation: Pgp. Ericson et Fh. Carrasquilla, SUBSPECIFIC IDENTITY OF PREHISTORIC BALTIC CORMORANTS PHALACROCORAX-CARBO, Ardea, 85(1), 1997, pp. 1-7

Authors: ERICSON PGP TYRBERG T KJELLBERG AS JONSSON L ULLEN I

Citation: Pgp. Ericson et al., THE EARLIEST RECORD OF HOUSE SPARROWS (PASSER-DOMESTICUS) IN NORTHERNEUROPE, Journal of archaeological science, 24(2), 1997, pp. 183-190

Authors: ERICSON PGP

Citation: Pgp. Ericson, SYSTEMATIC RELATIONSHIPS OF THE PALEOGENE FAMILY PRESBYORNITHIDAE (AVES, ANSERIFORMES), Zoological journal of the Linnean Society, 121(4), 1997, pp. 429-483

Authors: ERICSON PGP

Citation: Pgp. Ericson, THE SKELETAL EVIDENCE FOR A SISTER-GROUP RELATIONSHIP OF ANSERIFORM AND GALLIFORM BIRDS - A CRITICAL-EVALUATION, Journal of avian biology, 27(3), 1996, pp. 195-202