00269nam a2200097Ia 4500008004100000082001600041100002000057245004700077260003900124300000800163140113s9999    xx            000 0 und d  a581.17   J2  a"Preston, R.D."  aMolecular architecture of palnt cell walls  a1952bJohn Wiley & SonscAmsterdam  a211