00330nam a2200133Ia 4500003000400000008004100004020002600045040000800071100001900079245004600098260002600144300001500170365001100185LDD181029s9999    xx            000 0 und d  a9788190851299c990.00  cLDD  aGurugnanam, B. 0aEssentials of hydrogeologycB. Gurugnanam  aNew DelhibNIPAc2009  axvi, 268p.  b990.00