TY  - BOOK
AU  - Marton,Waldemar
AU  - Lebelt,Ewa
AU  - Grochowska,Lucyna
TI  - English in Structures and Situations: A Semi-Intensive Course of English for Polish Science Students 
PY  - 1976///
CY  - Warszawa
PB  - Państw. Wydaw. Nauk.
ER  -