MONITORING GROUND BIO-ENGINEERING STABILIZATION OF LAND-SLIDES IN LAZIO REGION (ITALY), SERIES: DEVELOPMENTS IN PLANT AND SOIL SCIENCES , VOL. 103, STOKES, A.; SPANOS, I.; NORRIS, J.E.; CAMMERAAT, E. (EDS.), APPROX. 460 P., HARDCOVER, ISBN-10: 1-4020-5592-7, ISBN-13: 978-1-4020-5592-8 IN PRESS. AVAILABLE: APRIL 3, 2007