804,315 FORMATION Formation and differentiation of early embryonic mesoderm : [Proceedings of a NATO Advanced Research Workshop on Formation and Differentiation of Early Embryonic Mesoderm, held October 25-27, 1991, in Banff, Alberta, Canada] / ed. by Ruth Bellairs, Esmond J. Sanders and James W. Lash. - New York and London : Plenum Press publ. in. coop, with NATO Scientific Affairs Div., [1992]. - VIII, 341 s. : il., wykr. ; 26 cm (NATO ASI Ser. Ser. A : Life Sciences ; vol. 231) ISBN 0-306-44236-1