TY - BOOK AU - Bajaj,Y.P.S. TI - Somaclonal variation in crop improvement I SN - 038750785X U1 - 631.523 PY - 1990/// CY - Berlin PB - Springer-Verlag KW - Plant propagation KW - Plant micropropagation KW - Botany KW - Variation KW - Crops KW - Breeding N1 - Includes bibliographical references and index ER -