TY  - BOOK
AU  - Logan, J. David
TI  - Applied partial differential equations
T2  - Undergratuate texts in mathematics
SN  - 9783319124933
PY  - 2015///
CY  - Cham
PB  - Springer
KW  - SOIL CONTENT ANALYSIS
UR  - http://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=fa2c3e134247b745bb9306145ba80d6b
ER  -