TY  - BOOK
AU  - Erven Joachim
AU  -  Falkowski Bernd-Jurgen
TI  - Low order cohomology and applications
T2  - Lecture notes in mathematics; 877
U1  - B316, M1 
PY  - 1981///
CY  - Berlin
PB  - Springer-Veralg         
ER  -