TY - BOOK AU - Adds,John AU - Larkcom,Erica AU - Miller,Ruth TI - Systems and Their Maintenance SN - 9780174482680 (pbk.) : U1 - 570 21 PY - 1998/// CY - Walton-on-Thames PB - Nelson KW - Biological systems KW - Problems, exercises, etc KW - Popular Science and Nature KW - ukslc N1 - Includes index N2 - This text provides ideal revision opportunities with the inclusion of comprehensive questions at the end of each section, along with answers to encourage self-assessment ER -