549,813 ESSENTIAL Essential molecular biology : a practical approach /ed. by T. A. Brown. - Oxford [etc.] : IRL Press at Oxford University Press, [1991]. - 2 vol. ; 25 cm Vol. 1. - XIX, 299 s.: wykr. Vol. 2. - XIX, 295 s.: wykr. (The Practical Approach Ser.) ISBN 0-19-963111-5 (vol.1) ISBN 0-19-963113-1 (vol.2)