00489nam a2200169 a 450000100080000000500110000800800410001902000190006010000160007924500600009526000350015530000110019050000640020170000180026570000190028370000170030218170801996-06-17 1975 bl uuuu 00u1 u #d a0-7204-4505-1 1 aMARKHAM, R. aModification of the information content of plant cells. aAmsterdam: North-Hollandc1975 a350 p. aProceedings of the John Innes Symposium, 2., 1974, Norwich.1 aDAVIES, D. R.1 aHOPWOOD, D. A.1 aHORNE, R. W.