00505nam a2200157Ia 4500 0 0 0 0 RIEBPL RIEBPL 2019-07-10 0 44437 2019-07-10 00:00:00 2019-07-10 BK 16061 16061 20191114145717.0 190710s9999 xx 000 0 und d eng 574 N231 B NCERT Biology : text book for higher secondary schools class xi - xii New Delhi : NCERT, 1986 xiv, 303p. Biology - Textbook for schools | Animal - Anatomy | Plants - Anatomy - Physiology | Man and environment BK