na INLIS000000000025853 Ind 0010-1218007691 The role of Calcium in the absorption of an ions and cation by excised BArley roots HOOYMANS, J.J.M. Door Jeanette Johanna Maria Hooymans Amsterdam North Holland 1964 33 p. : ill. ; 24 cm. 33 p. : ill. ; 24 cm. 635.16HOOr Thesis(Doctor)-Rijksuniversiteit te Leiden, 1964 635.16 BARLEY ROOTS CALCIUM 1027/65